22963489 has 4 divisors (see below), whose sum is σ = 23200324. Its totient is φ = 22726656.

The previous prime is 22963487. The next prime is 22963519. The reversal of 22963489 is 98436922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98436922 = 2 ⋅49218461.

It can be written as a sum of positive squares in 2 ways, for example, as 10240000 + 12723489 = 3200^2 + 3567^2 .

It is a cyclic number.

It is not a de Polignac number, because 22963489 - 2¹ = 22963487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22963487) 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, 118272 + ... + 118465.

It is an arithmetic number, because the mean of its divisors is an integer number (5800081).

Almost surely, 2^22963489 is an apocalyptic number.

It is an amenable number.

22963489 is a deficient number, since it is larger than the sum of its proper divisors (236835).

22963489 is an equidigital number, since it uses as much as digits as its factorization.

22963489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236834.

The product of its digits is 186624, while the sum is 43.

The square root of 22963489 is about 4792.0234765702. The cubic root of 22963489 is about 284.2361365095.

The spelling of 22963489 in words is "twenty-two million, nine hundred sixty-three thousand, four hundred eighty-nine".