22949393 has 4 divisors (see below), whose sum is σ = 23689728. Its totient is φ = 22209060.

The previous prime is 22949389. The next prime is 22949419. The reversal of 22949393 is 39394922.

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 22949393 - 2² = 22949389 is a prime.

It is a Duffinian number.

22949393 is a modest number, since divided by 9393 gives 2294 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 22949393.

It is not an unprimeable number, because it can be changed into a prime (22949323) 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, 370121 + ... + 370182.

It is an arithmetic number, because the mean of its divisors is an integer number (5922432).

Almost surely, 2^22949393 is an apocalyptic number.

It is an amenable number.

22949393 is a deficient number, since it is larger than the sum of its proper divisors (740335).

22949393 is an equidigital number, since it uses as much as digits as its factorization.

22949393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740334.

The product of its digits is 104976, while the sum is 41.

The square root of 22949393 is about 4790.5524733584. The cubic root of 22949393 is about 284.1779657227.

The spelling of 22949393 in words is "twenty-two million, nine hundred forty-nine thousand, three hundred ninety-three".