22000455155 has 16 divisors (see below), whose sum is σ = 30225671424. Its totient is φ = 15059217120.

The previous prime is 22000455143. The next prime is 22000455179. The reversal of 22000455155 is 55155400022.

It is not a de Polignac number, because 22000455155 - 2²² = 21996260851 is a prime.

It is a Duffinian number.

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, 538541 + ... + 577950.

It is an arithmetic number, because the mean of its divisors is an integer number (1889104464).

Almost surely, 2^22000455155 is an apocalyptic number.

22000455155 is a deficient number, since it is larger than the sum of its proper divisors (8225216269).

22000455155 is a wasteful number, since it uses less digits than its factorization.

22000455155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117066.

The product of its (nonzero) digits is 10000, while the sum is 29.

Adding to 22000455155 its reverse (55155400022), we get a palindrome (77155855177).

The spelling of 22000455155 in words is "twenty-two billion, four hundred fifty-five thousand, one hundred fifty-five".