1000022002 has 16 divisors (see below), whose sum is σ = 1724236992. Its totient is φ = 426102480.

The previous prime is 1000021987. The next prime is 1000022027. The reversal of 1000022002 is 2002200001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204024 + ... + 208867.

It is an arithmetic number, because the mean of its divisors is an integer number (107764812).

Almost surely, 2^1000022002 is an apocalyptic number.

1000022002 is a deficient number, since it is larger than the sum of its proper divisors (724214990).

1000022002 is a wasteful number, since it uses less digits than its factorization.

1000022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413073.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 1000022002 is about 31623.1244819357. The cubic root of 1000022002 is about 1000.0073339462.

Adding to 1000022002 its reverse (2002200001), we get a palindrome (3002222003).

The spelling of 1000022002 in words is "one billion, twenty-two thousand, two".