25220934 has 24 divisors (see below), whose sum is σ = 54804360. Its totient is φ = 8382528.

The previous prime is 25220929. The next prime is 25220941. The reversal of 25220934 is 43902252.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25220898 and 25220907.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 4974 + ... + 8670.

It is an arithmetic number, because the mean of its divisors is an integer number (2283515).

Almost surely, 2^25220934 is an apocalyptic number.

25220934 is an abundant number, since it is smaller than the sum of its proper divisors (29583426).

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

25220934 is a wasteful number, since it uses less digits than its factorization.

25220934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084 (or 4081 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 25220934 is about 5022.0448026675. The cubic root of 25220934 is about 293.2606020896.

The spelling of 25220934 in words is "twenty-five million, two hundred twenty thousand, nine hundred thirty-four".