22630431253 has 4 divisors (see below), whose sum is σ = 22632499008. Its totient is φ = 22628363500.

The previous prime is 22630431247. The next prime is 22630431311. The reversal of 22630431253 is 35213403622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35213403622 = 2 ⋅17606701811.

It is a cyclic number.

It is not a de Polignac number, because 22630431253 - 2³³ = 14040496661 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22630431553) 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, 1017373 + ... + 1039378.

It is an arithmetic number, because the mean of its divisors is an integer number (5658124752).

Almost surely, 2^22630431253 is an apocalyptic number.

It is an amenable number.

22630431253 is a deficient number, since it is larger than the sum of its proper divisors (2067755).

22630431253 is a wasteful number, since it uses less digits than its factorization.

22630431253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067754.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 22630431253 its reverse (35213403622), we get a palindrome (57843834875).

The spelling of 22630431253 in words is "twenty-two billion, six hundred thirty million, four hundred thirty-one thousand, two hundred fifty-three".