22948985 has 4 divisors (see below), whose sum is σ = 27538788. Its totient is φ = 18359184.

The previous prime is 22948951. The next prime is 22948987. The reversal of 22948985 is 58984922.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12243001 + 10705984 = 3499^2 + 3272^2 .

It is a cyclic number.

It is not a de Polignac number, because 22948985 - 2⁶ = 22948921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22948987) 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, 2294894 + ... + 2294903.

It is an arithmetic number, because the mean of its divisors is an integer number (6884697).

Almost surely, 2^22948985 is an apocalyptic number.

It is an amenable number.

22948985 is a deficient number, since it is larger than the sum of its proper divisors (4589803).

22948985 is an equidigital number, since it uses as much as digits as its factorization.

22948985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589802.

The product of its digits is 414720, while the sum is 47.

The square root of 22948985 is about 4790.5098893542. The cubic root of 22948985 is about 284.1762816506.

The spelling of 22948985 in words is "twenty-two million, nine hundred forty-eight thousand, nine hundred eighty-five".