22138426964804 has 12 divisors (see below), whose sum is σ = 38744865542124. Its totient is φ = 11068465381344.

The previous prime is 22138426964783. The next prime is 22138426964807. The reversal of 22138426964804 is 40846962483122.

It can be written as a sum of positive squares in 2 ways, for example, as 4913005240900 + 17225421723904 = 2216530^2 + 4150352^2 .

It is not an unprimeable number, because it can be changed into a prime (22138426964807) 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, 186958679 + ... + 187077054.

It is an arithmetic number, because the mean of its divisors is an integer number (3228738795177).

Almost surely, 2^{22138426964804} is an apocalyptic number.

It is an amenable number.

22138426964804 is a deficient number, since it is larger than the sum of its proper divisors (16606438577320).

22138426964804 is a wasteful number, since it uses less digits than its factorization.

22138426964804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374050534 (or 374050532 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 59.

The spelling of 22138426964804 in words is "twenty-two trillion, one hundred thirty-eight billion, four hundred twenty-six million, nine hundred sixty-four thousand, eight hundred four".