222868293 has 4 divisors (see below), whose sum is σ = 297157728. Its totient is φ = 148578860.

The previous prime is 222868231. The next prime is 222868357. The reversal of 222868293 is 392868222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222868293 - 2¹² = 222864197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222868493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37144713 + ... + 37144718.

It is an arithmetic number, because the mean of its divisors is an integer number (74289432).

Almost surely, 2^222868293 is an apocalyptic number.

It is an amenable number.

222868293 is a deficient number, since it is larger than the sum of its proper divisors (74289435).

222868293 is an equidigital number, since it uses as much as digits as its factorization.

222868293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74289434.

The product of its digits is 165888, while the sum is 42.

The square root of 222868293 is about 14928.7739952080. The cubic root of 222868293 is about 606.2932905920.

The spelling of 222868293 in words is "two hundred twenty-two million, eight hundred sixty-eight thousand, two hundred ninety-three".