22301197 has 4 divisors (see below), whose sum is σ = 22311520. Its totient is φ = 22290876.

The previous prime is 22301189. The next prime is 22301207. The reversal of 22301197 is 79110322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22301197 - 2³ = 22301189 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 (22301177) 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, 543 + ... + 6700.

It is an arithmetic number, because the mean of its divisors is an integer number (5577880).

Almost surely, 2^22301197 is an apocalyptic number.

It is an amenable number.

22301197 is a deficient number, since it is larger than the sum of its proper divisors (10323).

22301197 is an equidigital number, since it uses as much as digits as its factorization.

22301197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10322.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 22301197 is about 4722.4143189686. The cubic root of 22301197 is about 281.4768775432.

The spelling of 22301197 in words is "twenty-two million, three hundred one thousand, one hundred ninety-seven".