23313121222 has 4 divisors (see below), whose sum is σ = 34969681836. Its totient is φ = 11656560610.

The previous prime is 23313121219. The next prime is 23313121229. The reversal of 23313121222 is 22212131332.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×23313121222² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23313121193 and 23313121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313121229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828280304 + ... + 5828280307.

It is an arithmetic number, because the mean of its divisors is an integer number (8742420459).

Almost surely, 2^23313121222 is an apocalyptic number.

23313121222 is a deficient number, since it is larger than the sum of its proper divisors (11656560614).

23313121222 is a wasteful number, since it uses less digits than its factorization.

23313121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11656560613.

The product of its digits is 864, while the sum is 22.

Adding to 23313121222 its reverse (22212131332), we get a palindrome (45525252554).

The spelling of 23313121222 in words is "twenty-three billion, three hundred thirteen million, one hundred twenty-one thousand, two hundred twenty-two".