22725073757 has 4 divisors (see below), whose sum is σ = 23508697020. Its totient is φ = 21941450496.

The previous prime is 22725073751. The next prime is 22725073817. The reversal of 22725073757 is 75737052722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5701609081 + 17023464676 = 75509^2 + 130474^2 .

It is a cyclic number.

It is not a de Polignac number, because 22725073757 - 2¹⁶ = 22725008221 is a prime.

It is a super-2 number, since 2×22725073757² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22725073751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391811588 + ... + 391811645.

It is an arithmetic number, because the mean of its divisors is an integer number (5877174255).

Almost surely, 2^22725073757 is an apocalyptic number.

It is an amenable number.

22725073757 is a deficient number, since it is larger than the sum of its proper divisors (783623263).

22725073757 is an equidigital number, since it uses as much as digits as its factorization.

22725073757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783623262.

The product of its (nonzero) digits is 1440600, while the sum is 47.

The spelling of 22725073757 in words is "twenty-two billion, seven hundred twenty-five million, seventy-three thousand, seven hundred fifty-seven".