22340331 has 24 divisors (see below), whose sum is σ = 35206080. Its totient is φ = 13568256.

The previous prime is 22340321. The next prime is 22340359. The reversal of 22340331 is 13304322.

It is not a de Polignac number, because 22340331 - 2¹⁴ = 22323947 is a prime.

It is a super-2 number, since 2×22340331² = 998180778379122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22340321) 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, 8035 + ... + 10451.

It is an arithmetic number, because the mean of its divisors is an integer number (1466920).

Almost surely, 2^22340331 is an apocalyptic number.

22340331 is a deficient number, since it is larger than the sum of its proper divisors (12865749).

22340331 is a wasteful number, since it uses less digits than its factorization.

22340331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515 (or 2512 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 22340331 is about 4726.5559342930. Note that the first 3 decimals coincide. The cubic root of 22340331 is about 281.6414259484.

Adding to 22340331 its reverse (13304322), we get a palindrome (35644653).

The spelling of 22340331 in words is "twenty-two million, three hundred forty thousand, three hundred thirty-one".