222340693 has 4 divisors (see below), whose sum is σ = 224542188. Its totient is φ = 220139200.

The previous prime is 222340687. The next prime is 222340751. The reversal of 222340693 is 396043222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 396043222 = 2 ⋅198021611.

It can be written as a sum of positive squares in 2 ways, for example, as 199996164 + 22344529 = 14142^2 + 4727^2 .

It is a cyclic number.

It is not a de Polignac number, because 222340693 - 2⁵ = 222340661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222340633) 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, 1100596 + ... + 1100797.

It is an arithmetic number, because the mean of its divisors is an integer number (56135547).

Almost surely, 2^222340693 is an apocalyptic number.

It is an amenable number.

222340693 is a deficient number, since it is larger than the sum of its proper divisors (2201495).

222340693 is a wasteful number, since it uses less digits than its factorization.

222340693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201494.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 222340693 is about 14911.0929512226. The cubic root of 222340693 is about 605.8144830001.

The spelling of 222340693 in words is "two hundred twenty-two million, three hundred forty thousand, six hundred ninety-three".