223442597 has 6 divisors (see below), whose sum is σ = 259923078. Its totient is φ = 191522184.

The previous prime is 223442591. The next prime is 223442621. The reversal of 223442597 is 795244322.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 196392196 + 27050401 = 14014^2 + 5201^2 .

It is not a de Polignac number, because 223442597 - 2⁴ = 223442581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223442597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223442591) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2279978 + ... + 2280075.

It is an arithmetic number, because the mean of its divisors is an integer number (43320513).

Almost surely, 2^223442597 is an apocalyptic number.

It is an amenable number.

223442597 is a deficient number, since it is larger than the sum of its proper divisors (36480481).

223442597 is an equidigital number, since it uses as much as digits as its factorization.

223442597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4560067 (or 4560060 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 223442597 is about 14947.9964209254. The cubic root of 223442597 is about 606.8136248189.

The spelling of 223442597 in words is "two hundred twenty-three million, four hundred forty-two thousand, five hundred ninety-seven".