22345357 has 2 divisors, whose sum is σ = 22345358. Its totient is φ = 22345356.

The previous prime is 22345321. The next prime is 22345403. The reversal of 22345357 is 75354322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13883076 + 8462281 = 3726^2 + 2909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22345357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22345657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11172678 + 11172679.

It is an arithmetic number, because the mean of its divisors is an integer number (11172679).

Almost surely, 2^22345357 is an apocalyptic number.

It is an amenable number.

22345357 is a deficient number, since it is larger than the sum of its proper divisors (1).

22345357 is an equidigital number, since it uses as much as digits as its factorization.

22345357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 31.

The square root of 22345357 is about 4727.0875811645. The cubic root of 22345357 is about 281.6625450575.

Adding to 22345357 its reverse (75354322), we get a palindrome (97699679).

The spelling of 22345357 in words is "twenty-two million, three hundred forty-five thousand, three hundred fifty-seven".