25722056 has 8 divisors (see below), whose sum is σ = 48228870. Its totient is φ = 12861024.

The previous prime is 25722031. The next prime is 25722079. The reversal of 25722056 is 65022752.

It can be written as a sum of positive squares in only one way, i.e., 24661156 + 1060900 = 4966^2 + 1030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1607621 + ... + 1607636.

Almost surely, 2^25722056 is an apocalyptic number.

It is an amenable number.

25722056 is a deficient number, since it is larger than the sum of its proper divisors (22506814).

25722056 is a wasteful number, since it uses less digits than its factorization.

25722056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215263 (or 3215259 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 25722056 is about 5071.6916310044. The cubic root of 25722056 is about 295.1901713568.

The spelling of 25722056 in words is "twenty-five million, seven hundred twenty-two thousand, fifty-six".