22522440215 has 16 divisors (see below), whose sum is σ = 29488596480. Its totient is φ = 16377359520.

The previous prime is 22522440173. The next prime is 22522440217. The reversal of 22522440215 is 51204422522.

It is a happy number.

It is not a de Polignac number, because 22522440215 - 2⁸ = 22522439959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22522440217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360422 + ... + 418268.

It is an arithmetic number, because the mean of its divisors is an integer number (1843037280).

Almost surely, 2^22522440215 is an apocalyptic number.

22522440215 is a deficient number, since it is larger than the sum of its proper divisors (6966156265).

22522440215 is a wasteful number, since it uses less digits than its factorization.

22522440215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64942.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 22522440215 its reverse (51204422522), we get a palindrome (73726862737).

The spelling of 22522440215 in words is "twenty-two billion, five hundred twenty-two million, four hundred forty thousand, two hundred fifteen".