22236532972 has 12 divisors (see below), whose sum is σ = 39046746816. Its totient is φ = 11080319600.

The previous prime is 22236532937. The next prime is 22236532973. The reversal of 22236532972 is 27923563222.

It is a super-2 number, since 2×22236532972² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22236532973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9485404 + ... + 9487747.

It is an arithmetic number, because the mean of its divisors is an integer number (3253895568).

Almost surely, 2^22236532972 is an apocalyptic number.

It is an amenable number.

22236532972 is a deficient number, since it is larger than the sum of its proper divisors (16810213844).

22236532972 is a wasteful number, since it uses less digits than its factorization.

22236532972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18973448 (or 18973446 counting only the distinct ones).

The product of its digits is 544320, while the sum is 43.

The spelling of 22236532972 in words is "twenty-two billion, two hundred thirty-six million, five hundred thirty-two thousand, nine hundred seventy-two".