1002402202 has 4 divisors (see below), whose sum is σ = 1503603306. Its totient is φ = 501201100.

The previous prime is 1002402199. The next prime is 1002402221. The reversal of 1002402202 is 2022042001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 747967801 + 254434401 = 27349^2 + 15951^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250600549 + ... + 250600552.

Almost surely, 2^1002402202 is an apocalyptic number.

1002402202 is a deficient number, since it is larger than the sum of its proper divisors (501201104).

1002402202 is an equidigital number, since it uses as much as digits as its factorization.

1002402202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501201103.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1002402202 is about 31660.7359674408. The cubic root of 1002402202 is about 1000.8000936794.

Adding to 1002402202 its reverse (2022042001), we get a palindrome (3024444203).

The spelling of 1002402202 in words is "one billion, two million, four hundred two thousand, two hundred two".