22475559 has 4 divisors (see below), whose sum is σ = 29967416. Its totient is φ = 14983704.

The previous prime is 22475521. The next prime is 22475561. The reversal of 22475559 is 95557422.

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

It is not a de Polignac number, because 22475559 - 2⁸ = 22475303 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 (22475569) 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, 3745924 + ... + 3745929.

It is an arithmetic number, because the mean of its divisors is an integer number (7491854).

Almost surely, 2^22475559 is an apocalyptic number.

22475559 is a deficient number, since it is larger than the sum of its proper divisors (7491857).

22475559 is an equidigital number, since it uses as much as digits as its factorization.

22475559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7491856.

The product of its digits is 126000, while the sum is 39.

The square root of 22475559 is about 4740.8394826233. The cubic root of 22475559 is about 282.2085500216.

The spelling of 22475559 in words is "twenty-two million, four hundred seventy-five thousand, five hundred fifty-nine".