22382881 has 8 divisors (see below), whose sum is σ = 22665024. Its totient is φ = 22102800.

The previous prime is 22382879. The next prime is 22382917. The reversal of 22382881 is 18828322.

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

It is a cyclic number.

It is not a de Polignac number, because 22382881 - 2¹ = 22382879 is a prime.

It is a super-2 number, since 2×22382881² = 1001986723720322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22382851) 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, 33951 + ... + 34603.

It is an arithmetic number, because the mean of its divisors is an integer number (2833128).

Almost surely, 2^22382881 is an apocalyptic number.

It is an amenable number.

22382881 is a deficient number, since it is larger than the sum of its proper divisors (282143).

22382881 is a wasteful number, since it uses less digits than its factorization.

22382881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031.

The product of its digits is 12288, while the sum is 34.

The square root of 22382881 is about 4731.0549563496. The cubic root of 22382881 is about 281.8201198460.

The spelling of 22382881 in words is "twenty-two million, three hundred eighty-two thousand, eight hundred eighty-one".