22865250 has 64 divisors (see below), whose sum is σ = 58481280. Its totient is φ = 5947200.

The previous prime is 22865239. The next prime is 22865261. The reversal of 22865250 is 5256822.

It is an interprime number because it is at equal distance from previous prime (22865239) and next prime (22865261).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31896 + ... + 32604.

It is an arithmetic number, because the mean of its divisors is an integer number (913770).

Almost surely, 2^22865250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22865250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29240640).

22865250 is an abundant number, since it is smaller than the sum of its proper divisors (35616030).

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

22865250 is a wasteful number, since it uses less digits than its factorization.

22865250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 22865250 is about 4781.7622274638. The cubic root of 22865250 is about 283.8302314732.

The spelling of 22865250 in words is "twenty-two million, eight hundred sixty-five thousand, two hundred fifty".