22364698931689 has 3 divisors (see below), whose sum is σ = 22364703660823. Its totient is φ = 22364694202556.

The previous prime is 22364698931677. The next prime is 22364698931777. The reversal of 22364698931689 is 98613989646322.

The square root of 22364698931689 is 4729133.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 256760091225 + 22107938840464 = 506715^2 + 4701908^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22364698931689 is a prime.

It is a super-3 number, since 3×22364698931689³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22364698931669) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2364567 + ... + 7093699.

Almost surely, 2^{22364698931689} is an apocalyptic number.

22364698931689 is the 4729133-rd square number.

22364698931689 is the 2364567-th centered octagonal number.

It is an amenable number.

22364698931689 is a deficient number, since it is larger than the sum of its proper divisors (4729134).

22364698931689 is an frugal number, since it uses more digits than its factorization.

22364698931689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9458266 (or 4729133 counting only the distinct ones).

The product of its digits is 1451188224, while the sum is 76.

The spelling of 22364698931689 in words is "twenty-two trillion, three hundred sixty-four billion, six hundred ninety-eight million, nine hundred thirty-one thousand, six hundred eighty-nine".