25220922 has 16 divisors (see below), whose sum is σ = 50889600. Its totient is φ = 8332352.

The previous prime is 25220869. The next prime is 25220929. The reversal of 25220922 is 22902252.

It is a junction number, because it is equal to n+sod(n) for n = 25220892 and 25220901.

It is not an unprimeable number, because it can be changed into a prime (25220929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17922 + ... + 19277.

It is an arithmetic number, because the mean of its divisors is an integer number (3180600).

Almost surely, 2^25220922 is an apocalyptic number.

25220922 is an abundant number, since it is smaller than the sum of its proper divisors (25668678).

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

25220922 is a wasteful number, since it uses less digits than its factorization.

25220922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37317.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 25220922 is about 5022.0436079349. The cubic root of 25220922 is about 293.2605555790.

The spelling of 25220922 in words is "twenty-five million, two hundred twenty thousand, nine hundred twenty-two".