22881873 has 32 divisors (see below), whose sum is σ = 36601600. Its totient is φ = 12700800.

The previous prime is 22881863. The next prime is 22881917. The reversal of 22881873 is 37818822.

It is not a de Polignac number, because 22881873 - 2¹⁴ = 22865489 is a prime.

It is a super-2 number, since 2×22881873² = 1047160223976258, which contains 22 as substring.

It is the 4784-th Hogben number.

It is not an unprimeable number, because it can be changed into a prime (22881863) by changing a digit.

It is a nontrivial repunit in base 4783.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37773 + ... + 38373.

It is an arithmetic number, because the mean of its divisors is an integer number (1143800).

Almost surely, 2^22881873 is an apocalyptic number.

It is an amenable number.

22881873 is a deficient number, since it is larger than the sum of its proper divisors (13719727).

22881873 is an equidigital number, since it uses as much as digits as its factorization.

22881873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 648 counting only the distinct ones).

The product of its digits is 43008, while the sum is 39.

The square root of 22881873 is about 4783.5000783945. The cubic root of 22881873 is about 283.8989961860.

The spelling of 22881873 in words is "twenty-two million, eight hundred eighty-one thousand, eight hundred seventy-three".