22224159 has 8 divisors (see below), whose sum is σ = 32924720. Its totient is φ = 14816088.

The previous prime is 22224149. The next prime is 22224203. The reversal of 22224159 is 95142222.

It is a happy number.

It is not a de Polignac number, because 22224159 - 2⁷ = 22224031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 823117 = 22224159 / (2 + 2 + 2 + 2 + 4 + 1 + 5 + 9).

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411532 + ... + 411585.

It is an arithmetic number, because the mean of its divisors is an integer number (4115590).

Almost surely, 2^22224159 is an apocalyptic number.

22224159 is a deficient number, since it is larger than the sum of its proper divisors (10700561).

22224159 is an equidigital number, since it uses as much as digits as its factorization.

22224159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823126 (or 823120 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 22224159 is about 4714.2506297396. The cubic root of 22224159 is about 281.1523892382.

The spelling of 22224159 in words is "twenty-two million, two hundred twenty-four thousand, one hundred fifty-nine".