22745850 has 96 divisors (see below), whose sum is σ = 62138880. Its totient is φ = 5480640.

The previous prime is 22745837. The next prime is 22745903. The reversal of 22745850 is 5854722.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65377 + ... + 65723.

It is an arithmetic number, because the mean of its divisors is an integer number (647280).

Almost surely, 2^22745850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22745850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31069440).

22745850 is an abundant number, since it is smaller than the sum of its proper divisors (39393030).

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

22745850 is a wasteful number, since it uses less digits than its factorization.

22745850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 22745850 is about 4769.2609490360. The cubic root of 22745850 is about 283.3353248610.

The spelling of 22745850 in words is "twenty-two million, seven hundred forty-five thousand, eight hundred fifty".