22454959 has 4 divisors (see below), whose sum is σ = 22470760. Its totient is φ = 22439160.

The previous prime is 22454953. The next prime is 22454963. The reversal of 22454959 is 95945422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95945422 = 2 ⋅47972711.

It is a cyclic number.

It is not a de Polignac number, because 22454959 - 2¹⁷ = 22323887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22454953) 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, 5532 + ... + 8689.

It is an arithmetic number, because the mean of its divisors is an integer number (5617690).

Almost surely, 2^22454959 is an apocalyptic number.

22454959 is a deficient number, since it is larger than the sum of its proper divisors (15801).

22454959 is a wasteful number, since it uses less digits than its factorization.

22454959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15800.

The product of its digits is 129600, while the sum is 40.

The square root of 22454959 is about 4738.6663735697. Note that the first 3 decimals coincide. The cubic root of 22454959 is about 282.1223041407.

The spelling of 22454959 in words is "twenty-two million, four hundred fifty-four thousand, nine hundred fifty-nine".