20922244 has 12 divisors (see below), whose sum is σ = 41844544. Its totient is φ = 8966664.

The previous prime is 20922199. The next prime is 20922269. The reversal of 20922244 is 44222902.

It is a happy number.

20922244 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373584 + ... + 373639.

Almost surely, 2^20922244 is an apocalyptic number.

It is an amenable number.

20922244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20922244 is a wasteful number, since it uses less digits than its factorization.

20922244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747234 (or 747232 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20922244 is about 4574.0839520061. The cubic root of 20922244 is about 275.5514839505.

The spelling of 20922244 in words is "twenty million, nine hundred twenty-two thousand, two hundred forty-four".