2220001002002 has 24 divisors (see below), whose sum is σ = 3874561782156. Its totient is φ = 951211248288.

The previous prime is 2220001001983. The next prime is 2220001002017. The reversal of 2220001002002 is 2002001000222.

It can be written as a sum of positive squares in 2 ways, for example, as 2211969078361 + 8031923641 = 1487269^2 + 89621^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2161553 + ... + 3018660.

Almost surely, 2^{2220001002002} is an apocalyptic number.

2220001002002 is a deficient number, since it is larger than the sum of its proper divisors (1654560780154).

2220001002002 is a wasteful number, since it uses less digits than its factorization.

2220001002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184602 (or 5184595 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 2220001002002 its reverse (2002001000222), we get a palindrome (4222002002224).

The spelling of 2220001002002 in words is "two trillion, two hundred twenty billion, one million, two thousand, two".