22101162532566 has 32 divisors (see below), whose sum is σ = 47686163948640. Its totient is φ = 6788406269184.

The previous prime is 22101162532529. The next prime is 22101162532583. The reversal of 22101162532566 is 66523526110122.

It is a super-2 number, since 2×22101162532566² (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 15 ways as a sum of consecutive naturals, for example, 248943525 + ... + 249032288.

It is an arithmetic number, because the mean of its divisors is an integer number (1490192623395).

Almost surely, 2^{22101162532566} is an apocalyptic number.

22101162532566 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22101162532566 is an abundant number, since it is smaller than the sum of its proper divisors (25585001416074).

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

22101162532566 is a wasteful number, since it uses less digits than its factorization.

22101162532566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497976400.

The product of its (nonzero) digits is 259200, while the sum is 42.

Adding to 22101162532566 its reverse (66523526110122), we get a palindrome (88624688642688).

The spelling of 22101162532566 in words is "twenty-two trillion, one hundred one billion, one hundred sixty-two million, five hundred thirty-two thousand, five hundred sixty-six".