22870489 has 4 divisors (see below), whose sum is σ = 23080420. Its totient is φ = 22660560.

The previous prime is 22870481. The next prime is 22870493. The reversal of 22870489 is 98407822.

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 11614464 + 11256025 = 3408^2 + 3355^2 .

It is a cyclic number.

It is not a de Polignac number, because 22870489 - 2³ = 22870481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22870481) 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, 104802 + ... + 105019.

It is an arithmetic number, because the mean of its divisors is an integer number (5770105).

Almost surely, 2^22870489 is an apocalyptic number.

It is an amenable number.

22870489 is a deficient number, since it is larger than the sum of its proper divisors (209931).

22870489 is a wasteful number, since it uses less digits than its factorization.

22870489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209930.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 22870489 is about 4782.3100066809. The cubic root of 22870489 is about 283.8519073500.

The spelling of 22870489 in words is "twenty-two million, eight hundred seventy thousand, four hundred eighty-nine".