22520360051 has 4 divisors (see below), whose sum is σ = 25737554352. Its totient is φ = 19303165752.

The previous prime is 22520360041. The next prime is 22520360053. The reversal of 22520360051 is 15006302522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15006302522 = 2 ⋅7503151261.

It is a cyclic number.

It is not a de Polignac number, because 22520360051 - 2⁶ = 22520359987 is a prime.

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 22520360051.

It is not an unprimeable number, because it can be changed into a prime (22520360053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1608597140 + ... + 1608597153.

It is an arithmetic number, because the mean of its divisors is an integer number (6434388588).

Almost surely, 2^22520360051 is an apocalyptic number.

22520360051 is a deficient number, since it is larger than the sum of its proper divisors (3217194301).

22520360051 is an equidigital number, since it uses as much as digits as its factorization.

22520360051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217194300.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 22520360051 its reverse (15006302522), we get a palindrome (37526662573).

The spelling of 22520360051 in words is "twenty-two billion, five hundred twenty million, three hundred sixty thousand, fifty-one".