22822881 has 4 divisors (see below), whose sum is σ = 30430512. Its totient is φ = 15215252.

The previous prime is 22822873. The next prime is 22822883. The reversal of 22822881 is 18822822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22822881 - 2³ = 22822873 is a prime.

It is a super-2 number, since 2×22822881² = 1041767794280322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22822883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3803811 + ... + 3803816.

It is an arithmetic number, because the mean of its divisors is an integer number (7607628).

Almost surely, 2^22822881 is an apocalyptic number.

It is an amenable number.

22822881 is a deficient number, since it is larger than the sum of its proper divisors (7607631).

22822881 is an equidigital number, since it uses as much as digits as its factorization.

22822881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7607630.

The product of its digits is 8192, while the sum is 33.

The square root of 22822881 is about 4777.3299027804. The cubic root of 22822881 is about 283.6548118809.

The spelling of 22822881 in words is "twenty-two million, eight hundred twenty-two thousand, eight hundred eighty-one".