222001135 has 8 divisors (see below), whose sum is σ = 266668416. Its totient is φ = 177422880.

The previous prime is 222001121. The next prime is 222001141. The reversal of 222001135 is 531100222.

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

It is not a de Polignac number, because 222001135 - 2²⁵ = 188446703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16639 + ... + 26848.

It is an arithmetic number, because the mean of its divisors is an integer number (33333552).

Almost surely, 2^222001135 is an apocalyptic number.

222001135 is a deficient number, since it is larger than the sum of its proper divisors (44667281).

222001135 is a wasteful number, since it uses less digits than its factorization.

222001135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44513.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 222001135 is about 14899.7025138088. The cubic root of 222001135 is about 605.5059265533.

Adding to 222001135 its reverse (531100222), we get a palindrome (753101357).

The spelling of 222001135 in words is "two hundred twenty-two million, one thousand, one hundred thirty-five".