22840955 has 32 divisors (see below), whose sum is σ = 30412800. Its totient is φ = 16410240.

The previous prime is 22840949. The next prime is 22840957. The reversal of 22840955 is 55904822.

It is a happy number.

It is not a de Polignac number, because 22840955 - 2⁶ = 22840891 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22840957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153221 + ... + 153369.

It is an arithmetic number, because the mean of its divisors is an integer number (950400).

Almost surely, 2^22840955 is an apocalyptic number.

22840955 is a deficient number, since it is larger than the sum of its proper divisors (7571845).

22840955 is a wasteful number, since it uses less digits than its factorization.

22840955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 22840955 is about 4779.2211708604. The cubic root of 22840955 is about 283.7296698612.

The spelling of 22840955 in words is "twenty-two million, eight hundred forty thousand, nine hundred fifty-five".