1002210002 has 4 divisors (see below), whose sum is σ = 1503315006. Its totient is φ = 501105000.

The previous prime is 1002209963. The next prime is 1002210017. The reversal of 1002210002 is 2000122001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2000122001 = 19 ⋅105269579.

It can be written as a sum of positive squares in only one way, i.e., 758506681 + 243703321 = 27541^2 + 15611^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250552499 + ... + 250552502.

Almost surely, 2^1002210002 is an apocalyptic number.

1002210002 is a deficient number, since it is larger than the sum of its proper divisors (501105004).

1002210002 is an equidigital number, since it uses as much as digits as its factorization.

1002210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501105003.

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

The square root of 1002210002 is about 31657.7005166200. The cubic root of 1002210002 is about 1000.7361253199.

Adding to 1002210002 its reverse (2000122001), we get a palindrome (3002332003).

The spelling of 1002210002 in words is "one billion, two million, two hundred ten thousand, two".