23122202502 has 16 divisors (see below), whose sum is σ = 52850748672. Its totient is φ = 6606343560.

The previous prime is 23122202501. The next prime is 23122202527. The reversal of 23122202502 is 20520222132.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122202501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275264274 + ... + 275264357.

It is an arithmetic number, because the mean of its divisors is an integer number (3303171792).

Almost surely, 2^23122202502 is an apocalyptic number.

23122202502 is an abundant number, since it is smaller than the sum of its proper divisors (29728546170).

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

23122202502 is a wasteful number, since it uses less digits than its factorization.

23122202502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550528643.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 23122202502 its reverse (20520222132), we get a palindrome (43642424634).

The spelling of 23122202502 in words is "twenty-three billion, one hundred twenty-two million, two hundred two thousand, five hundred two".