22990025 has 12 divisors (see below), whose sum is σ = 28569600. Its totient is φ = 18352080.

The previous prime is 22990021. The next prime is 22990039. The reversal of 22990025 is 52009922.

It is not a de Polignac number, because 22990025 - 2² = 22990021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22990025.

It is not an unprimeable number, because it can be changed into a prime (22990021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17336 + ... + 18614.

It is an arithmetic number, because the mean of its divisors is an integer number (2380800).

Almost surely, 2^22990025 is an apocalyptic number.

22990025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22990025 is a deficient number, since it is larger than the sum of its proper divisors (5579575).

22990025 is a wasteful number, since it uses less digits than its factorization.

22990025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008 (or 2003 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 22990025 is about 4794.7914448910. The cubic root of 22990025 is about 284.3455796155.

Adding to 22990025 its reverse (52009922), we get a palindrome (74999947).

The spelling of 22990025 in words is "twenty-two million, nine hundred ninety thousand, twenty-five".