222220002 has 32 divisors (see below), whose sum is σ = 457732800. Its totient is φ = 71869248.

The previous prime is 222219961. The next prime is 222220013. The reversal of 222220002 is 200022222.

It is a self number, because there is not a number n which added to its sum of digits gives 222220002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91824 + ... + 94212.

It is an arithmetic number, because the mean of its divisors is an integer number (14304150).

Almost surely, 2^222220002 is an apocalyptic number.

222220002 is an abundant number, since it is smaller than the sum of its proper divisors (235512798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222220002 is a wasteful number, since it uses less digits than its factorization.

222220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 222220002 is about 14907.0453812954. The cubic root of 222220002 is about 605.7048470649.

Adding to 222220002 its reverse (200022222), we get a palindrome (422242224).

It can be divided in two parts, 2222 and 20002, that multiplied together give a palindrome (44444444).

The spelling of 222220002 in words is "two hundred twenty-two million, two hundred twenty thousand, two".