22555054516 has 12 divisors (see below), whose sum is σ = 40538138788. Its totient is φ = 10972729152.

The previous prime is 22555054513. The next prime is 22555054517. The reversal of 22555054516 is 61545055522.

It can be written as a sum of positive squares in 2 ways, for example, as 16629134116 + 5925920400 = 128954^2 + 76980^2 .

It is a super-3 number, since 3×22555054516³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22555054513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76199361 + ... + 76199656.

Almost surely, 2^22555054516 is an apocalyptic number.

It is an amenable number.

22555054516 is a deficient number, since it is larger than the sum of its proper divisors (17983084272).

22555054516 is a wasteful number, since it uses less digits than its factorization.

22555054516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152399058 (or 152399056 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 22555054516 in words is "twenty-two billion, five hundred fifty-five million, fifty-four thousand, five hundred sixteen".