22298297 has 8 divisors (see below), whose sum is σ = 25656000. Its totient is φ = 18983664.

The previous prime is 22298281. The next prime is 22298317. The reversal of 22298297 is 79289222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22298297 - 2⁴ = 22298281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22298197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9647 + ... + 11732.

It is an arithmetic number, because the mean of its divisors is an integer number (3207000).

Almost surely, 2^22298297 is an apocalyptic number.

It is an amenable number.

22298297 is a deficient number, since it is larger than the sum of its proper divisors (3357703).

22298297 is a wasteful number, since it uses less digits than its factorization.

22298297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21535.

The product of its digits is 72576, while the sum is 41.

The square root of 22298297 is about 4722.1072626530. The cubic root of 22298297 is about 281.4646761305.

The spelling of 22298297 in words is "twenty-two million, two hundred ninety-eight thousand, two hundred ninety-seven".