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2220221332021 = 721116354746199
BaseRepresentation
bin100000010011101111100…
…000001111101000110101
321212020210001010122011111
4200103233200033220311
5242334003130111041
64415542224235021
7316256103640600
oct40235740175065
97766701118144
102220221332021
11786655074030
122ba36376ba71
1313149b073c64
14796603cd337
153cb4683c981
hex204ef80fa35

2220221332021 has 48 divisors (see below), whose sum is σ = 2840027097600. Its totient is φ = 1716248308320.

The previous prime is 2220221332013. The next prime is 2220221332027. The reversal of 2220221332021 is 1202331220222.

It is not a de Polignac number, because 2220221332021 - 23 = 2220221332013 is a prime.

It is a super-2 number, since 2×22202213320212 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220221331983 and 2220221332001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220221332027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48034680 + ... + 48080878.

It is an arithmetic number, because the mean of its divisors is an integer number (59167231200).

Almost surely, 22220221332021 is an apocalyptic number.

It is an amenable number.

2220221332021 is a deficient number, since it is larger than the sum of its proper divisors (619805765579).

2220221332021 is a wasteful number, since it uses less digits than its factorization.

2220221332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46934 (or 46927 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2220221332021 its reverse (1202331220222), we get a palindrome (3422552552243).

The spelling of 2220221332021 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, three hundred thirty-two thousand, twenty-one".

Divisors: 1 7 11 49 77 163 539 547 1141 1793 3829 6017 7987 12551 26803 42119 46199 87857 89161 294833 323393 508189 624127 980771 2263751 3557323 4368889 6865397 7530437 24901261 25270853 48057779 52713059 82834807 176895971 277979383 368991413 579843649 1238271797 1945855681 4058905543 4119149039 13620989767 28834043273 45310639429 201838302911 317174476003 2220221332021