22734559 has 4 divisors (see below), whose sum is σ = 24071904. Its totient is φ = 21397216.

The previous prime is 22734553. The next prime is 22734571. The reversal of 22734559 is 95543722.

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

It is a cyclic number.

It is not a de Polignac number, because 22734559 - 2⁵ = 22734527 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 (22734553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668647 + ... + 668680.

It is an arithmetic number, because the mean of its divisors is an integer number (6017976).

Almost surely, 2^22734559 is an apocalyptic number.

22734559 is a deficient number, since it is larger than the sum of its proper divisors (1337345).

22734559 is a wasteful number, since it uses less digits than its factorization.

22734559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337344.

The product of its digits is 75600, while the sum is 37.

The square root of 22734559 is about 4768.0770757193. The cubic root of 22734559 is about 283.2884347155.

The spelling of 22734559 in words is "twenty-two million, seven hundred thirty-four thousand, five hundred fifty-nine".