23221135222 has 4 divisors (see below), whose sum is σ = 34831702836. Its totient is φ = 11610567610.

The previous prime is 23221135219. The next prime is 23221135237. The reversal of 23221135222 is 22253112232.

23221135222 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×23221135222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805283804 + ... + 5805283807.

It is an arithmetic number, because the mean of its divisors is an integer number (8707925709).

Almost surely, 2^23221135222 is an apocalyptic number.

23221135222 is a deficient number, since it is larger than the sum of its proper divisors (11610567614).

23221135222 is a wasteful number, since it uses less digits than its factorization.

23221135222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11610567613.

The product of its digits is 2880, while the sum is 25.

Adding to 23221135222 its reverse (22253112232), we get a palindrome (45474247454).

The spelling of 23221135222 in words is "twenty-three billion, two hundred twenty-one million, one hundred thirty-five thousand, two hundred twenty-two".