22552515215 has 16 divisors (see below), whose sum is σ = 29024892000. Its totient is φ = 16769930112.

The previous prime is 22552515211. The next prime is 22552515217. The reversal of 22552515215 is 51251525522.

It is a cyclic number.

It is not a de Polignac number, because 22552515215 - 2² = 22552515211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22552515211) 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, 2234540 + ... + 2244609.

It is an arithmetic number, because the mean of its divisors is an integer number (1814055750).

Almost surely, 2^22552515215 is an apocalyptic number.

22552515215 is a deficient number, since it is larger than the sum of its proper divisors (6472376785).

22552515215 is a wasteful number, since it uses less digits than its factorization.

22552515215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479226.

The product of its digits is 50000, while the sum is 35.

The spelling of 22552515215 in words is "twenty-two billion, five hundred fifty-two million, five hundred fifteen thousand, two hundred fifteen".