1002200001 has 8 divisors (see below), whose sum is σ = 1457745504. Its totient is φ = 607393920.

The previous prime is 1002199987. The next prime is 1002200029. The reversal of 1002200001 is 1000022001.

It is a happy number.

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

It is not a de Polignac number, because 1002200001 - 2⁶ = 1002199937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002200041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15184816 + ... + 15184881.

It is an arithmetic number, because the mean of its divisors is an integer number (182218188).

Almost surely, 2^1002200001 is an apocalyptic number.

1002200001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1002200001 is a deficient number, since it is larger than the sum of its proper divisors (455545503).

1002200001 is a wasteful number, since it uses less digits than its factorization.

1002200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30369711.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 1002200001 is about 31657.5425609759. The cubic root of 1002200001 is about 1000.7327965447.

Adding to 1002200001 its reverse (1000022001), we get a palindrome (2002222002).

The spelling of 1002200001 in words is "one billion, two million, two hundred thousand, one".