222222135 has 8 divisors (see below), whose sum is σ = 355555440. Its totient is φ = 118518464.

The previous prime is 222222131. The next prime is 222222137. The reversal of 222222135 is 531222222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222222135 - 2² = 222222131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7407390 + ... + 7407419.

It is an arithmetic number, because the mean of its divisors is an integer number (44444430).

Almost surely, 2^222222135 is an apocalyptic number.

222222135 is a deficient number, since it is larger than the sum of its proper divisors (133333305).

222222135 is a wasteful number, since it uses less digits than its factorization.

222222135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14814817.

The product of its digits is 960, while the sum is 21.

The square root of 222222135 is about 14907.1169244760. The cubic root of 222222135 is about 605.7067850307.

Adding to 222222135 its reverse (531222222), we get a palindrome (753444357).

The spelling of 222222135 in words is "two hundred twenty-two million, two hundred twenty-two thousand, one hundred thirty-five".