22241331 has 16 divisors (see below), whose sum is σ = 37657600. Its totient is φ = 12709224.

The previous prime is 22241327. The next prime is 22241333. The reversal of 22241331 is 13314222.

22241331 is a `hidden beast` number, since 222 + 413 + 31 = 666.

It is not a de Polignac number, because 22241331 - 2² = 22241327 is a prime.

It is a super-2 number, since 2×22241331² = 989353609303122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22241333) 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 15 ways as a sum of consecutive naturals, for example, 58651 + ... + 59028.

It is an arithmetic number, because the mean of its divisors is an integer number (2353600).

Almost surely, 2^22241331 is an apocalyptic number.

22241331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22241331 is a deficient number, since it is larger than the sum of its proper divisors (15416269).

22241331 is a wasteful number, since it uses less digits than its factorization.

22241331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117695 (or 117689 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 22241331 is about 4716.0715643425. The cubic root of 22241331 is about 281.2247835170.

Adding to 22241331 its reverse (13314222), we get a palindrome (35555553).

The spelling of 22241331 in words is "twenty-two million, two hundred forty-one thousand, three hundred thirty-one".