22520234015 has 4 divisors (see below), whose sum is σ = 27024280824. Its totient is φ = 18016187208.

The previous prime is 22520234003. The next prime is 22520234057. The reversal of 22520234015 is 51043202522.

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

It is a cyclic number.

It is not a de Polignac number, because 22520234015 - 2¹⁶ = 22520168479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2252023397 + ... + 2252023406.

It is an arithmetic number, because the mean of its divisors is an integer number (6756070206).

Almost surely, 2^22520234015 is an apocalyptic number.

22520234015 is a deficient number, since it is larger than the sum of its proper divisors (4504046809).

22520234015 is an equidigital number, since it uses as much as digits as its factorization.

22520234015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504046808.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 22520234015 its reverse (51043202522), we get a palindrome (73563436537).

The spelling of 22520234015 in words is "twenty-two billion, five hundred twenty million, two hundred thirty-four thousand, fifteen".