22797097 has 4 divisors (see below), whose sum is σ = 23109460. Its totient is φ = 22484736.

The previous prime is 22797091. The next prime is 22797101. The reversal of 22797097 is 79079722.

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 9865881 + 12931216 = 3141^2 + 3596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22797097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22797091) 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, 156072 + ... + 156217.

It is an arithmetic number, because the mean of its divisors is an integer number (5777365).

Almost surely, 2^22797097 is an apocalyptic number.

It is an amenable number.

22797097 is a deficient number, since it is larger than the sum of its proper divisors (312363).

22797097 is an equidigital number, since it uses as much as digits as its factorization.

22797097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312362.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 22797097 is about 4774.6305616246. The cubic root of 22797097 is about 283.5479525757.

The spelling of 22797097 in words is "twenty-two million, seven hundred ninety-seven thousand, ninety-seven".