222042135 has 32 divisors (see below), whose sum is σ = 412687872. Its totient is φ = 99838080.

The previous prime is 222042127. The next prime is 222042173. The reversal of 222042135 is 531240222.

It is not a de Polignac number, because 222042135 - 2³ = 222042127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10929 + ... + 23738.

It is an arithmetic number, because the mean of its divisors is an integer number (12896496).

Almost surely, 2^222042135 is an apocalyptic number.

222042135 is a deficient number, since it is larger than the sum of its proper divisors (190645737).

222042135 is a wasteful number, since it uses less digits than its factorization.

222042135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34743.

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

The square root of 222042135 is about 14901.0783166857. The cubic root of 222042135 is about 605.5431999586.

Adding to 222042135 its reverse (531240222), we get a palindrome (753282357).

The spelling of 222042135 in words is "two hundred twenty-two million, forty-two thousand, one hundred thirty-five".