22445521045 has 16 divisors (see below), whose sum is σ = 27005985792. Its totient is φ = 17908912000.

The previous prime is 22445521031. The next prime is 22445521057. The reversal of 22445521045 is 54012554422.

It is not a de Polignac number, because 22445521045 - 2⁵ = 22445521013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22445521045.

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, 3202545 + ... + 3209545.

It is an arithmetic number, because the mean of its divisors is an integer number (1687874112).

Almost surely, 2^22445521045 is an apocalyptic number.

It is an amenable number.

22445521045 is a deficient number, since it is larger than the sum of its proper divisors (4560464747).

22445521045 is an equidigital number, since it uses as much as digits as its factorization.

22445521045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8612.

The product of its (nonzero) digits is 64000, while the sum is 34.

The spelling of 22445521045 in words is "twenty-two billion, four hundred forty-five million, five hundred twenty-one thousand, forty-five".