2218222002 has 32 divisors (see below), whose sum is σ = 4559248512. Its totient is φ = 718965504.

The previous prime is 2218222001. The next prime is 2218222003. The reversal of 2218222002 is 2002228122.

It is an interprime number because it is at equal distance from previous prime (2218222001) and next prime (2218222003).

It is a self number, because there is not a number n which added to its sum of digits gives 2218222002.

It is not an unprimeable number, because it can be changed into a prime (2218222001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627163 + ... + 630689.

It is an arithmetic number, because the mean of its divisors is an integer number (142476516).

Almost surely, 2^2218222002 is an apocalyptic number.

2218222002 is an abundant number, since it is smaller than the sum of its proper divisors (2341026510).

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

2218222002 is a wasteful number, since it uses less digits than its factorization.

2218222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2218222002 is about 47098.0042252323. The cubic root of 2218222002 is about 1304.1723934481.

The spelling of 2218222002 in words is "two billion, two hundred eighteen million, two hundred twenty-two thousand, two".