22750025 has 12 divisors (see below), whose sum is σ = 28569600. Its totient is φ = 17968080.

The previous prime is 22750003. The next prime is 22750027. The reversal of 22750025 is 52005722.

It is not a de Polignac number, because 22750025 - 2¹² = 22745929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22750027) 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, 3785 + ... + 7734.

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

Almost surely, 2^22750025 is an apocalyptic number.

22750025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22750025 is a deficient number, since it is larger than the sum of its proper divisors (5819575).

22750025 is a wasteful number, since it uses less digits than its factorization.

22750025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11608 (or 11603 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 22750025 is about 4769.6986277961. The cubic root of 22750025 is about 283.3526591970.

Adding to 22750025 its reverse (52005722), we get a palindrome (74755747).

The spelling of 22750025 in words is "twenty-two million, seven hundred fifty thousand, twenty-five".