22166671051072 has 28 divisors (see below), whose sum is σ = 44065959190740. Its totient is φ = 11063437239296.

The previous prime is 22166671051051. The next prime is 22166671051097. The reversal of 22166671051072 is 27015017666122.

It can be written as a sum of positive squares in 2 ways, for example, as 8241354842176 + 13925316208896 = 2870776^2 + 3731664^2 .

It is a super-2 number, since 2×22166671051072² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310874797 + ... + 310946092.

Almost surely, 2^{22166671051072} is an apocalyptic number.

It is an amenable number.

22166671051072 is a deficient number, since it is larger than the sum of its proper divisors (21899288139668).

22166671051072 is an equidigital number, since it uses as much as digits as its factorization.

22166671051072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621821458 (or 621821448 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 22166671051072 in words is "twenty-two trillion, one hundred sixty-six billion, six hundred seventy-one million, fifty-one thousand, seventy-two".