22488955 has 4 divisors (see below), whose sum is σ = 26986752. Its totient is φ = 17991160.

The previous prime is 22488953. The next prime is 22488967. The reversal of 22488955 is 55988422.

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

It is not a de Polignac number, because 22488955 - 2¹ = 22488953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22488953) 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, 2248891 + ... + 2248900.

It is an arithmetic number, because the mean of its divisors is an integer number (6746688).

Almost surely, 2^22488955 is an apocalyptic number.

22488955 is a deficient number, since it is larger than the sum of its proper divisors (4497797).

22488955 is an equidigital number, since it uses as much as digits as its factorization.

22488955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497796.

The product of its digits is 230400, while the sum is 43.

The square root of 22488955 is about 4742.2521021135. The cubic root of 22488955 is about 282.2646066904.

The spelling of 22488955 in words is "twenty-two million, four hundred eighty-eight thousand, nine hundred fifty-five".