22438697 has 2 divisors, whose sum is σ = 22438698. Its totient is φ = 22438696.

The previous prime is 22438681. The next prime is 22438709. The reversal of 22438697 is 79683422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17505856 + 4932841 = 4184^2 + 2221^2 .

It is a cyclic number.

It is not a de Polignac number, because 22438697 - 2⁴ = 22438681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25438697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11219348 + 11219349.

It is an arithmetic number, because the mean of its divisors is an integer number (11219349).

Almost surely, 2^22438697 is an apocalyptic number.

It is an amenable number.

22438697 is a deficient number, since it is larger than the sum of its proper divisors (1).

22438697 is an equidigital number, since it uses as much as digits as its factorization.

22438697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 22438697 is about 4736.9501791765. The cubic root of 22438697 is about 282.0541828721.

The spelling of 22438697 in words is "twenty-two million, four hundred thirty-eight thousand, six hundred ninety-seven".