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1222021022 = 27316675021
BaseRepresentation
bin100100011010110…
…1000111110011110
310011011110002200212
41020311220332132
510000314133042
6321132052422
742166002335
oct11065507636
93134402625
101222021022
11577887532
122a1304112
13166234781
14b8422d1c
157243a482
hex48d68f9e

1222021022 has 16 divisors (see below), whose sum is σ = 1859626512. Its totient is φ = 602159040.

The previous prime is 1222020953. The next prime is 1222021037. The reversal of 1222021022 is 2201202221.

It is a junction number, because it is equal to n+sod(n) for n = 1222020988 and 1222021006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240872 + ... + 245892.

It is an arithmetic number, because the mean of its divisors is an integer number (116226657).

Almost surely, 21222021022 is an apocalyptic number.

1222021022 is a deficient number, since it is larger than the sum of its proper divisors (637605490).

1222021022 is a wasteful number, since it uses less digits than its factorization.

1222021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6763.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1222021022 is about 34957.4172672982. The cubic root of 1222021022 is about 1069.1194379954.

Adding to 1222021022 its reverse (2201202221), we get a palindrome (3423223243).

The spelling of 1222021022 in words is "one billion, two hundred twenty-two million, twenty-one thousand, twenty-two".

Divisors: 1 2 73 146 1667 3334 5021 10042 121691 243382 366533 733066 8370007 16740014 611010511 1222021022