22396393 has 4 divisors (see below), whose sum is σ = 22872960. Its totient is φ = 21919828.

The previous prime is 22396379. The next prime is 22396399. The reversal of 22396393 is 39369322.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39369322 = 2 ⋅19684661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22396393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22396399) 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, 238213 + ... + 238306.

It is an arithmetic number, because the mean of its divisors is an integer number (5718240).

Almost surely, 2^22396393 is an apocalyptic number.

It is an amenable number.

22396393 is a deficient number, since it is larger than the sum of its proper divisors (476567).

22396393 is an equidigital number, since it uses as much as digits as its factorization.

22396393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476566.

The product of its digits is 52488, while the sum is 37.

The square root of 22396393 is about 4732.4827522137. The cubic root of 22396393 is about 281.8768177522.

The spelling of 22396393 in words is "twenty-two million, three hundred ninety-six thousand, three hundred ninety-three".