22151400555 has 16 divisors (see below), whose sum is σ = 35444201760. Its totient is φ = 11813426688.

The previous prime is 22151400541. The next prime is 22151400587. The reversal of 22151400555 is 55500415122.

It is not a de Polignac number, because 22151400555 - 2¹⁵ = 22151367787 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377541 + ... + 432249.

It is an arithmetic number, because the mean of its divisors is an integer number (2215262610).

Almost surely, 2^22151400555 is an apocalyptic number.

22151400555 is a deficient number, since it is larger than the sum of its proper divisors (13292801205).

22151400555 is a wasteful number, since it uses less digits than its factorization.

22151400555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81710.

The product of its (nonzero) digits is 10000, while the sum is 30.

Adding to 22151400555 its reverse (55500415122), we get a palindrome (77651815677).

The spelling of 22151400555 in words is "twenty-two billion, one hundred fifty-one million, four hundred thousand, five hundred fifty-five".