22246231 has 8 divisors (see below), whose sum is σ = 26044704. Its totient is φ = 18602880.

The previous prime is 22246223. The next prime is 22246247. The reversal of 22246231 is 13264222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22246231 - 2³ = 22246223 is a prime.

It is a super-2 number, since 2×22246231² = 989789587410722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22246201) 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, 38470 + ... + 39043.

It is an arithmetic number, because the mean of its divisors is an integer number (3255588).

Almost surely, 2^22246231 is an apocalyptic number.

22246231 is a deficient number, since it is larger than the sum of its proper divisors (3798473).

22246231 is an equidigital number, since it uses as much as digits as its factorization.

22246231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77561.

The product of its digits is 1152, while the sum is 22.

The square root of 22246231 is about 4716.5910359072. The cubic root of 22246231 is about 281.2454342633.

Subtracting from 22246231 its reverse (13264222), we obtain a square (8982009 = 2997²).

The spelling of 22246231 in words is "twenty-two million, two hundred forty-six thousand, two hundred thirty-one".