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2220221300231 = 113511433913249
BaseRepresentation
bin100000010011101111100…
…000000111111000000111
321212020210001002000120002
4200103233200013320013
5242334003123101411
64415542223431515
7316256103446114
oct40235740077007
97766701060502
102220221300231
11786655052160
122ba36375559b
1313149b06264c
14796603c190b
153cb4683333b
hex204ef807e07

2220221300231 has 16 divisors (see below), whose sum is σ = 2423490720000. Its totient is φ = 2017190822400.

The previous prime is 2220221300221. The next prime is 2220221300279. The reversal of 2220221300231 is 1320031220222.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2220221300231 is a prime.

It is a super-2 number, since 2×22202213002312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220221300221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167569895 + ... + 167583143.

It is an arithmetic number, because the mean of its divisors is an integer number (151468170000).

Almost surely, 22220221300231 is an apocalyptic number.

2220221300231 is a deficient number, since it is larger than the sum of its proper divisors (203269419769).

2220221300231 is a wasteful number, since it uses less digits than its factorization.

2220221300231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21110.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2220221300231 its reverse (1320031220222), we get a palindrome (3540252520453).

The spelling of 2220221300231 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, three hundred thousand, two hundred thirty-one".

Divisors: 1 11 3511 4339 13249 38621 47729 145739 15234229 46517239 57487411 167576519 511689629 632361521 201838300021 2220221300231