22236189 has 8 divisors (see below), whose sum is σ = 29744832. Its totient is φ = 14775840.

The previous prime is 22236139. The next prime is 22236191. The reversal of 22236189 is 98163222.

It is a happy number.

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

It is not a de Polignac number, because 22236189 - 2¹⁵ = 22203421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22236139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10984 + ... + 12849.

It is an arithmetic number, because the mean of its divisors is an integer number (3718104).

Almost surely, 2^22236189 is an apocalyptic number.

It is an amenable number.

22236189 is a deficient number, since it is larger than the sum of its proper divisors (7508643).

22236189 is a wasteful number, since it uses less digits than its factorization.

22236189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24147.

The product of its digits is 10368, while the sum is 33.

The square root of 22236189 is about 4715.5263757082. The cubic root of 22236189 is about 281.2031096149.

The spelling of 22236189 in words is "twenty-two million, two hundred thirty-six thousand, one hundred eighty-nine".