22551333638 has 16 divisors (see below), whose sum is σ = 33923007360. Its totient is φ = 11243707776.

The previous prime is 22551333613. The next prime is 22551333671. The reversal of 22551333638 is 83633315522.

It is a junction number, because it is equal to n+sod(n) for n = 22551333595 and 22551333604.

It is a congruent number.

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, 1113995 + ... + 1134057.

It is an arithmetic number, because the mean of its divisors is an integer number (2120187960).

Almost surely, 2^22551333638 is an apocalyptic number.

22551333638 is a deficient number, since it is larger than the sum of its proper divisors (11371673722).

22551333638 is a wasteful number, since it uses less digits than its factorization.

22551333638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21631.

The product of its digits is 388800, while the sum is 41.

The spelling of 22551333638 in words is "twenty-two billion, five hundred fifty-one million, three hundred thirty-three thousand, six hundred thirty-eight".