22873855 has 4 divisors (see below), whose sum is σ = 27448632. Its totient is φ = 18299080.

The previous prime is 22873849. The next prime is 22873883. The reversal of 22873855 is 55837822.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22873855 - 2¹⁵ = 22841087 is a prime.

It is a super-2 number, since 2×22873855² = 1046426485122050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2287381 + ... + 2287390.

It is an arithmetic number, because the mean of its divisors is an integer number (6862158).

Almost surely, 2^22873855 is an apocalyptic number.

22873855 is a deficient number, since it is larger than the sum of its proper divisors (4574777).

22873855 is an equidigital number, since it uses as much as digits as its factorization.

22873855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574776.

The product of its digits is 134400, while the sum is 40.

The square root of 22873855 is about 4782.6619157118. The cubic root of 22873855 is about 283.8658321164.

The spelling of 22873855 in words is "twenty-two million, eight hundred seventy-three thousand, eight hundred fifty-five".