22768424 has 16 divisors (see below), whose sum is σ = 48789600. Its totient is φ = 9757872.

The previous prime is 22768399. The next prime is 22768453. The reversal of 22768424 is 42486722.

It is a happy number.

It is a super-2 number, since 2×22768424² = 1036802262887552, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203234 + ... + 203345.

It is an arithmetic number, because the mean of its divisors is an integer number (3049350).

Almost surely, 2^22768424 is an apocalyptic number.

It is an amenable number.

22768424 is an abundant number, since it is smaller than the sum of its proper divisors (26021176).

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

22768424 is a wasteful number, since it uses less digits than its factorization.

22768424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406592 (or 406588 counting only the distinct ones).

The product of its digits is 43008, while the sum is 35.

The square root of 22768424 is about 4771.6269762000. The cubic root of 22768424 is about 283.4290254246.

The spelling of 22768424 in words is "twenty-two million, seven hundred sixty-eight thousand, four hundred twenty-four".