22234331 has 4 divisors (see below), whose sum is σ = 25410672. Its totient is φ = 19057992.

The previous prime is 22234321. The next prime is 22234343. The reversal of 22234331 is 13343222.

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

It is a cyclic number.

It is not a de Polignac number, because 22234331 - 2¹⁰ = 22233307 is a prime.

It is a super-2 number, since 2×22234331² = 988730950035122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22234321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1588160 + ... + 1588173.

It is an arithmetic number, because the mean of its divisors is an integer number (6352668).

Almost surely, 2^22234331 is an apocalyptic number.

22234331 is a deficient number, since it is larger than the sum of its proper divisors (3176341).

22234331 is an equidigital number, since it uses as much as digits as its factorization.

22234331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176340.

The product of its digits is 864, while the sum is 20.

The square root of 22234331 is about 4715.3293628335. The cubic root of 22234331 is about 281.1952771887.

Adding to 22234331 its reverse (13343222), we get a palindrome (35577553).

The spelling of 22234331 in words is "twenty-two million, two hundred thirty-four thousand, three hundred thirty-one".