22580250 has 256 divisors, whose sum is σ = 77635584. Its totient is φ = 4224000.

The previous prime is 22580221. The next prime is 22580269. The reversal of 22580250 is 5208522.

It is a self number, because there is not a number n which added to its sum of digits gives 22580250.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 981739 + ... + 981761.

It is an arithmetic number, because the mean of its divisors is an integer number (303264).

Almost surely, 2^22580250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22580250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38817792).

22580250 is an abundant number, since it is smaller than the sum of its proper divisors (55055334).

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

22580250 is a wasteful number, since it uses less digits than its factorization.

22580250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 22580250 is about 4751.8680537237. The cubic root of 22580250 is about 282.6460466026.

Adding to 22580250 its reverse (5208522), we get a palindrome (27788772).

The spelling of 22580250 in words is "twenty-two million, five hundred eighty thousand, two hundred fifty".