22451511325 has 6 divisors (see below), whose sum is σ = 27839874074. Its totient is φ = 17961209040.

The previous prime is 22451511307. The next prime is 22451511389. The reversal of 22451511325 is 52311515422.

It can be written as a sum of positive squares in 3 ways, for example, as 270174969 + 22181336356 = 16437^2 + 148934^2 .

It is not a de Polignac number, because 22451511325 - 2⁹ = 22451510813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 449030202 + ... + 449030251.

Almost surely, 2^22451511325 is an apocalyptic number.

22451511325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22451511325 is a deficient number, since it is larger than the sum of its proper divisors (5388362749).

22451511325 is an equidigital number, since it uses as much as digits as its factorization.

22451511325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898060463 (or 898060458 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The spelling of 22451511325 in words is "twenty-two billion, four hundred fifty-one million, five hundred eleven thousand, three hundred twenty-five".