22224917 has 24 divisors (see below), whose sum is σ = 26812800. Its totient is φ = 18295200.

The previous prime is 22224893. The next prime is 22224941. The reversal of 22224917 is 71942222.

It is an interprime number because it is at equal distance from previous prime (22224893) and next prime (22224941).

It is not a de Polignac number, because 22224917 - 2¹⁴ = 22208533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22224917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111584 + ... + 111782.

It is an arithmetic number, because the mean of its divisors is an integer number (1117200).

Almost surely, 2^22224917 is an apocalyptic number.

It is an amenable number.

22224917 is a deficient number, since it is larger than the sum of its proper divisors (4587883).

22224917 is a wasteful number, since it uses less digits than its factorization.

22224917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 294 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 22224917 is about 4714.3310235918. The cubic root of 22224917 is about 281.1555856259.

The spelling of 22224917 in words is "twenty-two million, two hundred twenty-four thousand, nine hundred seventeen".