22630393 has 4 divisors (see below), whose sum is σ = 22842000. Its totient is φ = 22418788.

The previous prime is 22630373. The next prime is 22630409. The reversal of 22630393 is 39303622.

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 22630393 - 2⁹ = 22629881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22630343) 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, 105643 + ... + 105856.

It is an arithmetic number, because the mean of its divisors is an integer number (5710500).

Almost surely, 2^22630393 is an apocalyptic number.

It is an amenable number.

22630393 is a deficient number, since it is larger than the sum of its proper divisors (211607).

22630393 is a wasteful number, since it uses less digits than its factorization.

22630393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211606.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 22630393 is about 4757.1412634060. The cubic root of 22630393 is about 282.8551119395.

The spelling of 22630393 in words is "twenty-two million, six hundred thirty thousand, three hundred ninety-three".