22975921689802 has 8 divisors (see below), whose sum is σ = 34464856169412. Its totient is φ = 11487636300000.

The previous prime is 22975921689779. The next prime is 22975921689803. The reversal of 22975921689802 is 20898612957922.

It can be written as a sum of positive squares in 2 ways, for example, as 22074107459481 + 901814230321 = 4698309^2 + 949639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22975921689802² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22975921689803) 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, 162183949 + ... + 162325552.

Almost surely, 2^{22975921689802} is an apocalyptic number.

22975921689802 is a deficient number, since it is larger than the sum of its proper divisors (11488934479610).

22975921689802 is a wasteful number, since it uses less digits than its factorization.

22975921689802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324544904.

The product of its (nonzero) digits is 156764160, while the sum is 70.

The spelling of 22975921689802 in words is "twenty-two trillion, nine hundred seventy-five billion, nine hundred twenty-one million, six hundred eighty-nine thousand, eight hundred two".