2222220002 has 4 divisors (see below), whose sum is σ = 3333330006. Its totient is φ = 1111110000.

The previous prime is 2222219999. The next prime is 2222220047. The reversal of 2222220002 is 2000222222.

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 only one way, i.e., 1571408881 + 650811121 = 39641^2 + 25511^2 .

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 as a sum of consecutive naturals, namely, 555554999 + ... + 555555002.

Almost surely, 2^2222220002 is an apocalyptic number.

2222220002 is a deficient number, since it is larger than the sum of its proper divisors (1111110004).

2222220002 is a wasteful number, since it uses less digits than its factorization.

2222220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111110003.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2222220002 is about 47140.4285300845. The cubic root of 2222220002 is about 1304.9554457957.

Adding to 2222220002 its reverse (2000222222), we get a palindrome (4222442224).

It can be divided in two parts, 22222 and 20002, that multiplied together give a palindrome (444484444).

The spelling of 2222220002 in words is "two billion, two hundred twenty-two million, two hundred twenty thousand, two".