22880217188929 has 3 divisors (see below), whose sum is σ = 22880221972257. Its totient is φ = 22880212405602.

The previous prime is 22880217188849. The next prime is 22880217188953. The reversal of 22880217188929 is 92988171208822.

The square root of 22880217188929 is 4783327.

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 is a de Polignac number, because none of the positive numbers 2^k-22880217188929 is a prime.

It is a super-2 number, since 2×22880217188929² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22880217188999) 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, 2391664 + ... + 7174990.

It is an arithmetic number, because the mean of its divisors is an integer number (7626740657419).

Almost surely, 2^{22880217188929} is an apocalyptic number.

22880217188929 is the 4783327-th square number.

22880217188929 is the 2391664-th centered octagonal number.

It is an amenable number.

22880217188929 is a deficient number, since it is larger than the sum of its proper divisors (4783328).

22880217188929 is an frugal number, since it uses more digits than its factorization.

22880217188929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9566654 (or 4783327 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 67.

The spelling of 22880217188929 in words is "twenty-two trillion, eight hundred eighty billion, two hundred seventeen million, one hundred eighty-eight thousand, nine hundred twenty-nine".