22018407072186 has 32 divisors (see below), whose sum is σ = 50355274272768. Its totient is φ = 6287537614320.

The previous prime is 22018407072127. The next prime is 22018407072217. The reversal of 22018407072186 is 68127070481022.

It is a super-2 number, since 2×22018407072186² (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 15 ways as a sum of consecutive naturals, for example, 143081970 + ... + 143235773.

It is an arithmetic number, because the mean of its divisors is an integer number (1573602321024).

Almost surely, 2^{22018407072186} is an apocalyptic number.

22018407072186 is an abundant number, since it is smaller than the sum of its proper divisors (28336867200582).

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

22018407072186 is a wasteful number, since it uses less digits than its factorization.

22018407072186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286319586.

The product of its (nonzero) digits is 602112, while the sum is 48.

The spelling of 22018407072186 in words is "twenty-two trillion, eighteen billion, four hundred seven million, seventy-two thousand, one hundred eighty-six".