22168306214572 has 24 divisors (see below), whose sum is σ = 44338744445184. Its totient is φ = 9500245802832.

The previous prime is 22168306214563. The next prime is 22168306214599. The reversal of 22168306214572 is 27541260386122.

It is a super-2 number, since 2×22168306214572² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18442858 + ... + 19608049.

It is an arithmetic number, because the mean of its divisors is an integer number (1847447685216).

Almost surely, 2^{22168306214572} is an apocalyptic number.

It is an amenable number.

22168306214572 is an abundant number, since it is smaller than the sum of its proper divisors (22170438230612).

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

22168306214572 is a wasteful number, since it uses less digits than its factorization.

22168306214572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38071725 (or 38071723 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 22168306214572 in words is "twenty-two trillion, one hundred sixty-eight billion, three hundred six million, two hundred fourteen thousand, five hundred seventy-two".