22426489 has 4 divisors (see below), whose sum is σ = 22590324. Its totient is φ = 22262656.

The previous prime is 22426471. The next prime is 22426493. The reversal of 22426489 is 98462422.

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 15093225 + 7333264 = 3885^2 + 2708^2 .

It is a cyclic number.

It is not a de Polignac number, because 22426489 - 2⁵ = 22426457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22426409) 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, 81712 + ... + 81985.

It is an arithmetic number, because the mean of its divisors is an integer number (5647581).

Almost surely, 2^22426489 is an apocalyptic number.

It is an amenable number.

22426489 is a deficient number, since it is larger than the sum of its proper divisors (163835).

22426489 is a wasteful number, since it uses less digits than its factorization.

22426489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163834.

The product of its digits is 55296, while the sum is 37.

The square root of 22426489 is about 4735.6614110386. The cubic root of 22426489 is about 282.0030221161.

The spelling of 22426489 in words is "twenty-two million, four hundred twenty-six thousand, four hundred eighty-nine".