22984397 has 2 divisors, whose sum is σ = 22984398. Its totient is φ = 22984396.

The previous prime is 22984307. The next prime is 22984399. The reversal of 22984397 is 79348922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21473956 + 1510441 = 4634^2 + 1229^2 .

It is a cyclic number.

It is not a de Polignac number, because 22984397 - 2¹² = 22980301 is a prime.

Together with 22984399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22984399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11492198 + 11492199.

It is an arithmetic number, because the mean of its divisors is an integer number (11492199).

Almost surely, 2^22984397 is an apocalyptic number.

It is an amenable number.

22984397 is a deficient number, since it is larger than the sum of its proper divisors (1).

22984397 is an equidigital number, since it uses as much as digits as its factorization.

22984397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 22984397 is about 4794.2045221288. The cubic root of 22984397 is about 284.3223749499.

The spelling of 22984397 in words is "twenty-two million, nine hundred eighty-four thousand, three hundred ninety-seven".