22294559 has 6 divisors (see below), whose sum is σ = 25934544. Its totient is φ = 19109580.

The previous prime is 22294553. The next prime is 22294603. The reversal of 22294559 is 95549222.

It is a de Polignac number, because none of the positive numbers 2^k-22294559 is a prime.

It is a super-2 number, since 2×22294559² = 994094722008962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22294553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227447 + ... + 227544.

It is an arithmetic number, because the mean of its divisors is an integer number (4322424).

Almost surely, 2^22294559 is an apocalyptic number.

22294559 is a deficient number, since it is larger than the sum of its proper divisors (3639985).

22294559 is an equidigital number, since it uses as much as digits as its factorization.

22294559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455005 (or 454998 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 22294559 is about 4721.7114481933. The cubic root of 22294559 is about 281.4489473694.

The spelling of 22294559 in words is "twenty-two million, two hundred ninety-four thousand, five hundred fifty-nine".