222340553 has 4 divisors (see below), whose sum is σ = 225386388. Its totient is φ = 219294720.

The previous prime is 222340549. The next prime is 222340561. The reversal of 222340553 is 355043222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 189255049 + 33085504 = 13757^2 + 5752^2 .

It is a cyclic number.

It is not a de Polignac number, because 222340553 - 2² = 222340549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222340513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1522808 + ... + 1522953.

It is an arithmetic number, because the mean of its divisors is an integer number (56346597).

Almost surely, 2^222340553 is an apocalyptic number.

It is an amenable number.

222340553 is a deficient number, since it is larger than the sum of its proper divisors (3045835).

222340553 is an equidigital number, since it uses as much as digits as its factorization.

222340553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045834.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 222340553 is about 14911.0882567303. The cubic root of 222340553 is about 605.8143558468.

Adding to 222340553 its reverse (355043222), we get a palindrome (577383775).

The spelling of 222340553 in words is "two hundred twenty-two million, three hundred forty thousand, five hundred fifty-three".