22209950 has 96 divisors (see below), whose sum is σ = 51425280. Its totient is φ = 6969600.

The previous prime is 22209947. The next prime is 22209961. The reversal of 22209950 is 5990222.

It is a congruent number.

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, 249506 + ... + 249594.

It is an arithmetic number, because the mean of its divisors is an integer number (535680).

Almost surely, 2^22209950 is an apocalyptic number.

22209950 is an abundant number, since it is smaller than the sum of its proper divisors (29215330).

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

22209950 is a wasteful number, since it uses less digits than its factorization.

22209950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 22209950 is about 4712.7433624164. The cubic root of 22209950 is about 281.0924582718.

The spelling of 22209950 in words is "twenty-two million, two hundred nine thousand, nine hundred fifty".