222001133 has 4 divisors (see below), whose sum is σ = 222572220. Its totient is φ = 221430048.

The previous prime is 222001121. The next prime is 222001141. The reversal of 222001133 is 331100222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 128550244 + 93450889 = 11338^2 + 9667^2 .

It is a cyclic number.

It is not a de Polignac number, because 222001133 - 2²² = 217806829 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284960 + ... + 285737.

It is an arithmetic number, because the mean of its divisors is an integer number (55643055).

Almost surely, 2^222001133 is an apocalyptic number.

It is an amenable number.

222001133 is a deficient number, since it is larger than the sum of its proper divisors (571087).

222001133 is an equidigital number, since it uses as much as digits as its factorization.

222001133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571086.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 222001133 is about 14899.7024466934. The cubic root of 222001133 is about 605.5059247350.

Adding to 222001133 its reverse (331100222), we get a palindrome (553101355).

The spelling of 222001133 in words is "two hundred twenty-two million, one thousand, one hundred thirty-three".