22801650 has 48 divisors (see below), whose sum is σ = 57371328. Its totient is φ = 5992000.

The previous prime is 22801609. The next prime is 22801661. The reversal of 22801650 is 5610822.

It is a self number, because there is not a number n which added to its sum of digits gives 22801650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9580 + ... + 11720.

It is an arithmetic number, because the mean of its divisors is an integer number (1195236).

Almost surely, 2^22801650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22801650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28685664).

22801650 is an abundant number, since it is smaller than the sum of its proper divisors (34569678).

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

22801650 is a wasteful number, since it uses less digits than its factorization.

22801650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227 (or 2222 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 22801650 is about 4775.1073286367. The cubic root of 22801650 is about 283.5668279014.

The spelling of 22801650 in words is "twenty-two million, eight hundred one thousand, six hundred fifty".