23021331222 has 16 divisors (see below), whose sum is σ = 46046126592. Its totient is φ = 7673199720.

The previous prime is 23021331211. The next prime is 23021331257. The reversal of 23021331222 is 22213312032.

It is a happy number.

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, 53554 + ... + 221157.

It is an arithmetic number, because the mean of its divisors is an integer number (2877882912).

Almost surely, 2^23021331222 is an apocalyptic number.

23021331222 is an abundant number, since it is smaller than the sum of its proper divisors (23024795370).

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

23021331222 is a wasteful number, since it uses less digits than its factorization.

23021331222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288683.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23021331222 its reverse (22213312032), we get a palindrome (45234643254).

The spelling of 23021331222 in words is "twenty-three billion, twenty-one million, three hundred thirty-one thousand, two hundred twenty-two".