25022072 has 8 divisors (see below), whose sum is σ = 46916400. Its totient is φ = 12511032.

The previous prime is 25022071. The next prime is 25022089. The reversal of 25022072 is 27022052.

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

It is a super-2 number, since 2×25022072² = 1252208174346368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25022071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563872 + ... + 1563887.

It is an arithmetic number, because the mean of its divisors is an integer number (5864550).

Almost surely, 2^25022072 is an apocalyptic number.

It is an amenable number.

25022072 is a deficient number, since it is larger than the sum of its proper divisors (21894328).

25022072 is a wasteful number, since it uses less digits than its factorization.

25022072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127765 (or 3127761 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 25022072 is about 5002.2067130418. The cubic root of 25022072 is about 292.4878004019.

Subtracting from 25022072 its sum of digits (20), we obtain a palindrome (25022052).

It can be divided in two parts, 250 and 22072, that added together give a palindrome (22322).

The spelling of 25022072 in words is "twenty-five million, twenty-two thousand, seventy-two".