2220002 has 8 divisors (see below), whose sum is σ = 3352512. Its totient is φ = 1102500.

The previous prime is 2219999. The next prime is 2220007. The reversal of 2220002 is 2000222.

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

It is not an unprimeable number, because it can be changed into a prime (2220007) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3374 + ... + 3977.

It is an arithmetic number, because the mean of its divisors is an integer number (419064).

2^2220002 is an apocalyptic number.

2220002 is a deficient number, since it is larger than the sum of its proper divisors (1132510).

2220002 is a wasteful number, since it uses less digits than its factorization.

2220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7504.

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 2220002 is about 1489.9671137310. The cubic root of 2220002 is about 130.4521141768.

Adding to 2220002 its reverse (2000222), we get a palindrome (4220224).

It can be divided in two parts, 22 and 20002, that multiplied together give a palindrome (440044).

The spelling of 2220002 in words is "two million, two hundred twenty thousand, two".