22490720005 has 16 divisors (see below), whose sum is σ = 29069745264. Its totient is φ = 16605780480.

The previous prime is 22490719987. The next prime is 22490720011. The reversal of 22490720005 is 50002709422.

It can be written as a sum of positive squares in 8 ways, for example, as 4220061444 + 18270658561 = 64962^2 + 135169^2 .

It is not a de Polignac number, because 22490720005 - 2⁷ = 22490719877 is a prime.

It is a Duffinian number.

It is a congruent 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, 420475 + ... + 470935.

It is an arithmetic number, because the mean of its divisors is an integer number (1816859079).

Almost surely, 2^22490720005 is an apocalyptic number.

It is an amenable number.

22490720005 is a deficient number, since it is larger than the sum of its proper divisors (6579025259).

22490720005 is a wasteful number, since it uses less digits than its factorization.

22490720005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57336.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 22490720005 in words is "twenty-two billion, four hundred ninety million, seven hundred twenty thousand, five".