22553351031 has 4 divisors (see below), whose sum is σ = 30071134712. Its totient is φ = 15035567352.

The previous prime is 22553350997. The next prime is 22553351039. The reversal of 22553351031 is 13015335522.

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

It is not a de Polignac number, because 22553351031 - 2⁷ = 22553350903 is a prime.

It is a super-2 number, since 2×22553351031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22553351031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22553351039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3758891836 + ... + 3758891841.

It is an arithmetic number, because the mean of its divisors is an integer number (7517783678).

Almost surely, 2^22553351031 is an apocalyptic number.

22553351031 is a deficient number, since it is larger than the sum of its proper divisors (7517783681).

22553351031 is an equidigital number, since it uses as much as digits as its factorization.

22553351031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7517783680.

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 22553351031 its reverse (13015335522), we get a palindrome (35568686553).

The spelling of 22553351031 in words is "twenty-two billion, five hundred fifty-three million, three hundred fifty-one thousand, thirty-one".