22642642424 has 16 divisors (see below), whose sum is σ = 42466555800. Its totient is φ = 11318227552.

The previous prime is 22642642369. The next prime is 22642642427. The reversal of 22642642424 is 42424624622.

It is a super-2 number, since 2×22642642424² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22642642427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355454 + ... + 414285.

Almost surely, 2^22642642424 is an apocalyptic number.

It is an amenable number.

22642642424 is a deficient number, since it is larger than the sum of its proper divisors (19823913376).

22642642424 is a wasteful number, since it uses less digits than its factorization.

22642642424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773422 (or 773418 counting only the distinct ones).

The product of its digits is 294912, while the sum is 38.

The spelling of 22642642424 in words is "twenty-two billion, six hundred forty-two million, six hundred forty-two thousand, four hundred twenty-four".