22392994 has 16 divisors (see below), whose sum is σ = 36340920. Its totient is φ = 10287360.

The previous prime is 22392989. The next prime is 22393073. The reversal of 22392994 is 49929322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19686969 + 2706025 = 4437^2 + 1645^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4074 + ... + 7834.

Almost surely, 2^22392994 is an apocalyptic number.

22392994 is a deficient number, since it is larger than the sum of its proper divisors (13947926).

22392994 is a wasteful number, since it uses less digits than its factorization.

22392994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005.

The product of its digits is 69984, while the sum is 40.

The square root of 22392994 is about 4732.1236247588. The cubic root of 22392994 is about 281.8625573045.

The spelling of 22392994 in words is "twenty-two million, three hundred ninety-two thousand, nine hundred ninety-four".