22329993 has 16 divisors (see below), whose sum is σ = 36028800. Its totient is φ = 12009216.

The previous prime is 22329991. The next prime is 22330003. The reversal of 22329993 is 39992322.

It is not a de Polignac number, because 22329993 - 2¹ = 22329991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22329991) 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, 30918 + ... + 31631.

It is an arithmetic number, because the mean of its divisors is an integer number (2251800).

Almost surely, 2^22329993 is an apocalyptic number.

It is an amenable number.

22329993 is a deficient number, since it is larger than the sum of its proper divisors (13698807).

22329993 is a wasteful number, since it uses less digits than its factorization.

22329993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62576.

The product of its digits is 52488, while the sum is 39.

The square root of 22329993 is about 4725.4621996160. The cubic root of 22329993 is about 281.5979760059.

The spelling of 22329993 in words is "twenty-two million, three hundred twenty-nine thousand, nine hundred ninety-three".