22236166223231 has 4 divisors (see below), whose sum is σ = 22253969400000. Its totient is φ = 22218363046464.

The previous prime is 22236166223207. The next prime is 22236166223237. The reversal of 22236166223231 is 13232266163222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22236166223231 is a prime.

It is a super-2 number, since 2×22236166223231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22236166223237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8901586511 + ... + 8901589008.

It is an arithmetic number, because the mean of its divisors is an integer number (5563492350000).

Almost surely, 2^{22236166223231} is an apocalyptic number.

22236166223231 is a deficient number, since it is larger than the sum of its proper divisors (17803176769).

22236166223231 is a wasteful number, since it uses less digits than its factorization.

22236166223231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17803176768.

The product of its digits is 373248, while the sum is 41.

The spelling of 22236166223231 in words is "twenty-two trillion, two hundred thirty-six billion, one hundred sixty-six million, two hundred twenty-three thousand, two hundred thirty-one".