22231197 has 24 divisors (see below), whose sum is σ = 34975200. Its totient is φ = 13553568.

The previous prime is 22231177. The next prime is 22231199. The reversal of 22231197 is 79113222.

It is not a de Polignac number, because 22231197 - 2¹⁴ = 22214813 is a prime.

It is a super-2 number, since 2×22231197² = 988452240105618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22231197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2718 + ... + 7200.

It is an arithmetic number, because the mean of its divisors is an integer number (1457300).

Almost surely, 2^22231197 is an apocalyptic number.

It is an amenable number.

22231197 is a deficient number, since it is larger than the sum of its proper divisors (12744003).

22231197 is a wasteful number, since it uses less digits than its factorization.

22231197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4537 (or 4534 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 22231197 is about 4714.9970307520. The cubic root of 22231197 is about 281.1820647769.

The spelling of 22231197 in words is "twenty-two million, two hundred thirty-one thousand, one hundred ninety-seven".