22244597 has 4 divisors (see below), whose sum is σ = 22315980. Its totient is φ = 22173216.

The previous prime is 22244561. The next prime is 22244609. The reversal of 22244597 is 79544222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51076 + 22193521 = 226^2 + 4711^2 .

It is a cyclic number.

It is not a de Polignac number, because 22244597 - 2¹² = 22240501 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 (22243597) 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, 35222 + ... + 35847.

It is an arithmetic number, because the mean of its divisors is an integer number (5578995).

Almost surely, 2^22244597 is an apocalyptic number.

It is an amenable number.

22244597 is a deficient number, since it is larger than the sum of its proper divisors (71383).

22244597 is an equidigital number, since it uses as much as digits as its factorization.

22244597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71382.

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

The square root of 22244597 is about 4716.4178144011. The cubic root of 22244597 is about 281.2385482086.

The spelling of 22244597 in words is "twenty-two million, two hundred forty-four thousand, five hundred ninety-seven".