22349393 has 16 divisors (see below), whose sum is σ = 25159680. Its totient is φ = 19678800.

The previous prime is 22349323. The next prime is 22349417. The reversal of 22349393 is 39394322.

It is a cyclic number.

It is not a de Polignac number, because 22349393 - 2⁸ = 22349137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22349303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71708 + ... + 72018.

It is an arithmetic number, because the mean of its divisors is an integer number (1572480).

Almost surely, 2^22349393 is an apocalyptic number.

It is an amenable number.

22349393 is a deficient number, since it is larger than the sum of its proper divisors (2810287).

22349393 is a wasteful number, since it uses less digits than its factorization.

22349393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508.

The product of its digits is 34992, while the sum is 35.

The square root of 22349393 is about 4727.5144632248. The cubic root of 22349393 is about 281.6795019224.

The spelling of 22349393 in words is "twenty-two million, three hundred forty-nine thousand, three hundred ninety-three".