25022012 has 24 divisors (see below), whose sum is σ = 47686800. Its totient is φ = 11442816.

The previous prime is 25022009. The next prime is 25022051. The reversal of 25022012 is 21022052.

It is a super-2 number, since 2×25022012² = 1252202169056288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3473 + ... + 7880.

It is an arithmetic number, because the mean of its divisors is an integer number (1986950).

Almost surely, 2^25022012 is an apocalyptic number.

It is an amenable number.

25022012 is a deficient number, since it is larger than the sum of its proper divisors (22664788).

25022012 is a wasteful number, since it uses less digits than its factorization.

25022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11405 (or 11403 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 25022012 is about 5002.2007156850. The cubic root of 25022012 is about 292.4875666179.

Adding to 25022012 its reverse (21022052), we get a palindrome (46044064).

The spelling of 25022012 in words is "twenty-five million, twenty-two thousand, twelve".