22335993 has 20 divisors (see below), whose sum is σ = 33510708. Its totient is φ = 14826240.

The previous prime is 22335983. The next prime is 22335997. The reversal of 22335993 is 39953322.

It can be written as a sum of positive squares in 2 ways, for example, as 1432809 + 20903184 = 1197^2 + 4572^2 .

It is not a de Polignac number, because 22335993 - 2¹³ = 22327801 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22335997) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24913 + ... + 25793.

Almost surely, 2^22335993 is an apocalyptic number.

It is an amenable number.

22335993 is a deficient number, since it is larger than the sum of its proper divisors (11174715).

22335993 is an equidigital number, since it uses as much as digits as its factorization.

22335993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1197 counting only the distinct ones).

The product of its digits is 43740, while the sum is 36.

The square root of 22335993 is about 4726.0970155087. The cubic root of 22335993 is about 281.6231952487.

The spelling of 22335993 in words is "twenty-two million, three hundred thirty-five thousand, nine hundred ninety-three".