22533197 has 8 divisors (see below), whose sum is σ = 22886136. Its totient is φ = 22182912.

The previous prime is 22533193. The next prime is 22533223. The reversal of 22533197 is 79133522.

It can be written as a sum of positive squares in 4 ways, for example, as 3575881 + 18957316 = 1891^2 + 4354^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22533197 - 2² = 22533193 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 (22533193) 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, 22103 + ... + 23099.

It is an arithmetic number, because the mean of its divisors is an integer number (2860767).

Almost surely, 2^22533197 is an apocalyptic number.

It is an amenable number.

22533197 is a deficient number, since it is larger than the sum of its proper divisors (352939).

22533197 is an equidigital number, since it uses as much as digits as its factorization.

22533197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327.

The product of its digits is 11340, while the sum is 32.

The square root of 22533197 is about 4746.9144715278. The cubic root of 22533197 is about 282.4495829833.

The spelling of 22533197 in words is "twenty-two million, five hundred thirty-three thousand, one hundred ninety-seven".