25022128 has 20 divisors (see below), whose sum is σ = 50153040. Its totient is φ = 12079424.

The previous prime is 25022119. The next prime is 25022167. The reversal of 25022128 is 82122052.

It is a super-2 number, since 2×25022128² = 1252213779296768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25022099 and 25022108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26500 + ... + 27427.

It is an arithmetic number, because the mean of its divisors is an integer number (2507652).

Almost surely, 2^25022128 is an apocalyptic number.

It is an amenable number.

25022128 is an abundant number, since it is smaller than the sum of its proper divisors (25130912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25022128 is a wasteful number, since it uses less digits than its factorization.

25022128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53964 (or 53958 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 25022128 is about 5002.2123105682. The cubic root of 25022128 is about 292.4880186000.

The spelling of 25022128 in words is "twenty-five million, twenty-two thousand, one hundred twenty-eight".