22720850 has 12 divisors (see below), whose sum is σ = 42260874. Its totient is φ = 9088320.

The previous prime is 22720843. The next prime is 22720889. The reversal of 22720850 is 5802722.

It can be written as a sum of positive squares in 3 ways, for example, as 8755681 + 13965169 = 2959^2 + 3737^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227159 + ... + 227258.

Almost surely, 2^22720850 is an apocalyptic number.

22720850 is a deficient number, since it is larger than the sum of its proper divisors (19540024).

22720850 is a wasteful number, since it uses less digits than its factorization.

22720850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454429 (or 454424 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 22720850 is about 4766.6392773106. The cubic root of 22720850 is about 283.2314820381.

The spelling of 22720850 in words is "twenty-two million, seven hundred twenty thousand, eight hundred fifty".