22424992 has 12 divisors (see below), whose sum is σ = 44149266. Its totient is φ = 11212480.

The previous prime is 22424981. The next prime is 22424993. The reversal of 22424992 is 29942422.

It can be written as a sum of positive squares in only one way, i.e., 14107536 + 8317456 = 3756^2 + 2884^2 .

It is not an unprimeable number, because it can be changed into a prime (22424993) by changing a digit.

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 as a sum of consecutive naturals, namely, 350359 + ... + 350422.

Almost surely, 2^22424992 is an apocalyptic number.

It is an amenable number.

22424992 is a deficient number, since it is larger than the sum of its proper divisors (21724274).

22424992 is an equidigital number, since it uses as much as digits as its factorization.

22424992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700791 (or 700783 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 22424992 is about 4735.5033523375. The cubic root of 22424992 is about 281.9967472757.

The spelling of 22424992 in words is "twenty-two million, four hundred twenty-four thousand, nine hundred ninety-two".