22445297 has 4 divisors (see below), whose sum is σ = 25651776. Its totient is φ = 19238820.

The previous prime is 22445281. The next prime is 22445299. The reversal of 22445297 is 79254422.

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.

It is a cyclic number.

It is not a de Polignac number, because 22445297 - 2⁴ = 22445281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22445299) 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, 1603229 + ... + 1603242.

It is an arithmetic number, because the mean of its divisors is an integer number (6412944).

Almost surely, 2^22445297 is an apocalyptic number.

It is an amenable number.

22445297 is a deficient number, since it is larger than the sum of its proper divisors (3206479).

22445297 is an equidigital number, since it uses as much as digits as its factorization.

22445297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206478.

The product of its digits is 40320, while the sum is 35.

The square root of 22445297 is about 4737.6467787289. The cubic root of 22445297 is about 282.0818341379.

The spelling of 22445297 in words is "twenty-two million, four hundred forty-five thousand, two hundred ninety-seven".