22551845205 has 32 divisors (see below), whose sum is σ = 37430991360. Its totient is φ = 11585733120.

The previous prime is 22551845179. The next prime is 22551845209. The reversal of 22551845205 is 50254815522.

It is a happy number.

It is not a de Polignac number, because 22551845205 - 2¹⁹ = 22551320917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22551845209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183502 + ... + 280671.

It is an arithmetic number, because the mean of its divisors is an integer number (1169718480).

Almost surely, 2^22551845205 is an apocalyptic number.

It is an amenable number.

22551845205 is a deficient number, since it is larger than the sum of its proper divisors (14879146155).

22551845205 is a wasteful number, since it uses less digits than its factorization.

22551845205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464301.

The product of its (nonzero) digits is 160000, while the sum is 39.

The spelling of 22551845205 in words is "twenty-two billion, five hundred fifty-one million, eight hundred forty-five thousand, two hundred five".