22241648745 has 48 divisors (see below), whose sum is σ = 39902887440. Its totient is φ = 11447052288.

The previous prime is 22241648699. The next prime is 22241648753. The reversal of 22241648745 is 54784614222.

22241648745 is a `hidden beast` number, since 222 + 416 + 4 + 8 + 7 + 4 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 3606122601 + 18635526144 = 60051^2 + 136512^2 .

It is not a de Polignac number, because 22241648745 - 2⁷ = 22241648617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22241648745.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3432829 + ... + 3439301.

It is an arithmetic number, because the mean of its divisors is an integer number (831310155).

Almost surely, 2^22241648745 is an apocalyptic number.

It is an amenable number.

22241648745 is a deficient number, since it is larger than the sum of its proper divisors (17661238695).

22241648745 is a wasteful number, since it uses less digits than its factorization.

22241648745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9146 (or 9143 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The spelling of 22241648745 in words is "twenty-two billion, two hundred forty-one million, six hundred forty-eight thousand, seven hundred forty-five".