22855641 has 4 divisors (see below), whose sum is σ = 30474192. Its totient is φ = 15237092.

The previous prime is 22855621. The next prime is 22855709. The reversal of 22855641 is 14655822.

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 22855641 - 2⁷ = 22855513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22855601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3809271 + ... + 3809276.

It is an arithmetic number, because the mean of its divisors is an integer number (7618548).

Almost surely, 2^22855641 is an apocalyptic number.

It is an amenable number.

22855641 is a deficient number, since it is larger than the sum of its proper divisors (7618551).

22855641 is an equidigital number, since it uses as much as digits as its factorization.

22855641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7618550.

The product of its digits is 19200, while the sum is 33.

The square root of 22855641 is about 4780.7573667778. The cubic root of 22855641 is about 283.7904665193.

The spelling of 22855641 in words is "twenty-two million, eight hundred fifty-five thousand, six hundred forty-one".