23122401222 has 32 divisors (see below), whose sum is σ = 46966701312. Its totient is φ = 7587306144.

The previous prime is 23122401173. The next prime is 23122401283. The reversal of 23122401222 is 22210422132.

It is a super-2 number, since 2×23122401222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 601648 + ... + 638924.

It is an arithmetic number, because the mean of its divisors is an integer number (1467709416).

Almost surely, 2^23122401222 is an apocalyptic number.

23122401222 is an abundant number, since it is smaller than the sum of its proper divisors (23844300090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23122401222 is a wasteful number, since it uses less digits than its factorization.

23122401222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38892.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 23122401222 its reverse (22210422132), we get a palindrome (45332823354).

The spelling of 23122401222 in words is "twenty-three billion, one hundred twenty-two million, four hundred one thousand, two hundred twenty-two".