25722152 has 16 divisors (see below), whose sum is σ = 48294900. Its totient is φ = 12843520.

The previous prime is 25722149. The next prime is 25722187. The reversal of 25722152 is 25122752.

It can be written as a sum of positive squares in 2 ways, for example, as 20124196 + 5597956 = 4486^2 + 2366^2 .

It is a super-2 number, since 2×25722152² = 1323258207022208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5702 + ... + 9162.

Almost surely, 2^25722152 is an apocalyptic number.

It is an amenable number.

25722152 is a deficient number, since it is larger than the sum of its proper divisors (22572748).

25722152 is a wasteful number, since it uses less digits than its factorization.

25722152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396 (or 4392 counting only the distinct ones).

The product of its digits is 2800, while the sum is 26.

The square root of 25722152 is about 5071.7010952934. The cubic root of 25722152 is about 295.1905385931.

The spelling of 25722152 in words is "twenty-five million, seven hundred twenty-two thousand, one hundred fifty-two".