222223135 has 4 divisors (see below), whose sum is σ = 266667768. Its totient is φ = 177778504.

The previous prime is 222223109. The next prime is 222223151. The reversal of 222223135 is 531322222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531322222 = 2 ⋅265661111.

It is a cyclic number.

It is not a de Polignac number, because 222223135 - 2⁷ = 222223007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22222309 + ... + 22222318.

It is an arithmetic number, because the mean of its divisors is an integer number (66666942).

Almost surely, 2^222223135 is an apocalyptic number.

222223135 is a deficient number, since it is larger than the sum of its proper divisors (44444633).

222223135 is an equidigital number, since it uses as much as digits as its factorization.

222223135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44444632.

The product of its digits is 1440, while the sum is 22.

The square root of 222223135 is about 14907.1504654646. The cubic root of 222223135 is about 605.7076935899.

Adding to 222223135 its reverse (531322222), we get a palindrome (753545357).

The spelling of 222223135 in words is "two hundred twenty-two million, two hundred twenty-three thousand, one hundred thirty-five".