21622673772250 has 32 divisors (see below), whose sum is σ = 40479029989632. Its totient is φ = 8648773635600.

The previous prime is 21622673772247. The next prime is 21622673772341. The reversal of 21622673772250 is 5227737622612.

It is a super-2 number, since 2×21622673772250² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5917147 + ... + 8846353.

It is an arithmetic number, because the mean of its divisors is an integer number (1264969687176).

Almost surely, 2^{21622673772250} is an apocalyptic number.

21622673772250 is a deficient number, since it is larger than the sum of its proper divisors (18856356217382).

21622673772250 is a wasteful number, since it uses less digits than its factorization.

21622673772250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958751 (or 2958741 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 21622673772250 in words is "twenty-one trillion, six hundred twenty-two billion, six hundred seventy-three million, seven hundred seventy-two thousand, two hundred fifty".