2002220402 has 24 divisors (see below), whose sum is σ = 3716721216. Its totient is φ = 792086256.

The previous prime is 2002220393. The next prime is 2002220447. The reversal of 2002220402 is 2040222002.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 420758 + ... + 425489.

It is an arithmetic number, because the mean of its divisors is an integer number (154863384).

Almost surely, 2^2002220402 is an apocalyptic number.

2002220402 is a deficient number, since it is larger than the sum of its proper divisors (1714500814).

2002220402 is a wasteful number, since it uses less digits than its factorization.

2002220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846282 (or 846269 counting only the distinct ones).

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

The square root of 2002220402 is about 44746.1775127217. The cubic root of 2002220402 is about 1260.3871326587.

Adding to 2002220402 its reverse (2040222002), we get a palindrome (4042442404).

The spelling of 2002220402 in words is "two billion, two million, two hundred twenty thousand, four hundred two".