22633985 has 8 divisors (see below), whose sum is σ = 29630016. Its totient is φ = 16461040.

The previous prime is 22633981. The next prime is 22634033. The reversal of 22633985 is 58933622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22633985 - 2² = 22633981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22633981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205709 + ... + 205818.

It is an arithmetic number, because the mean of its divisors is an integer number (3703752).

Almost surely, 2^22633985 is an apocalyptic number.

It is an amenable number.

22633985 is a deficient number, since it is larger than the sum of its proper divisors (6996031).

22633985 is a wasteful number, since it uses less digits than its factorization.

22633985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411543.

The product of its digits is 77760, while the sum is 38.

The square root of 22633985 is about 4757.5187860901. The cubic root of 22633985 is about 282.8700765023.

The spelling of 22633985 in words is "twenty-two million, six hundred thirty-three thousand, nine hundred eighty-five".