22342393 has 4 divisors (see below), whose sum is σ = 22362768. Its totient is φ = 22322020.

The previous prime is 22342391. The next prime is 22342399. The reversal of 22342393 is 39324322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22342393 - 2¹ = 22342391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22342391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8443 + ... + 10768.

It is an arithmetic number, because the mean of its divisors is an integer number (5590692).

Almost surely, 2^22342393 is an apocalyptic number.

It is an amenable number.

22342393 is a deficient number, since it is larger than the sum of its proper divisors (20375).

22342393 is a wasteful number, since it uses less digits than its factorization.

22342393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20374.

The product of its digits is 7776, while the sum is 28.

The square root of 22342393 is about 4726.7740584885. The cubic root of 22342393 is about 281.6500907969.

The spelling of 22342393 in words is "twenty-two million, three hundred forty-two thousand, three hundred ninety-three".