22335989 has 4 divisors (see below), whose sum is σ = 24054156. Its totient is φ = 20617824.

The previous prime is 22335983. The next prime is 22335997. The reversal of 22335989 is 98953322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5484964 + 16851025 = 2342^2 + 4105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22335989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22335983) 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, 859064 + ... + 859089.

It is an arithmetic number, because the mean of its divisors is an integer number (6013539).

Almost surely, 2^22335989 is an apocalyptic number.

It is an amenable number.

22335989 is a deficient number, since it is larger than the sum of its proper divisors (1718167).

22335989 is a wasteful number, since it uses less digits than its factorization.

22335989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718166.

The product of its digits is 116640, while the sum is 41.

The square root of 22335989 is about 4726.0965923265. The cubic root of 22335989 is about 281.6231784374.

The spelling of 22335989 in words is "twenty-two million, three hundred thirty-five thousand, nine hundred eighty-nine".