22363881 has 8 divisors (see below), whose sum is σ = 30307584. Its totient is φ = 14664720.

The previous prime is 22363877. The next prime is 22363903. The reversal of 22363881 is 18836322.

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

It is not a de Polignac number, because 22363881 - 2² = 22363877 is a prime.

It is a super-2 number, since 2×22363881² = 1000286346764322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22363801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60921 + ... + 61286.

It is an arithmetic number, because the mean of its divisors is an integer number (3788448).

Almost surely, 2^22363881 is an apocalyptic number.

It is an amenable number.

22363881 is a deficient number, since it is larger than the sum of its proper divisors (7943703).

22363881 is a wasteful number, since it uses less digits than its factorization.

22363881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122271.

The product of its digits is 13824, while the sum is 33.

The square root of 22363881 is about 4729.0465212345. The cubic root of 22363881 is about 281.7403550458.

The spelling of 22363881 in words is "twenty-two million, three hundred sixty-three thousand, eight hundred eighty-one".