1000221302 has 8 divisors (see below), whose sum is σ = 1501638912. Its totient is φ = 499675000.

The previous prime is 1000221251. The next prime is 1000221319. The reversal of 1000221302 is 2031220001.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214949 + ... + 219552.

It is an arithmetic number, because the mean of its divisors is an integer number (187704864).

Almost surely, 2^1000221302 is an apocalyptic number.

1000221302 is a deficient number, since it is larger than the sum of its proper divisors (501417610).

1000221302 is a wasteful number, since it uses less digits than its factorization.

1000221302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435654.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1000221302 is about 31626.2754999700. The cubic root of 1000221302 is about 1000.0737618924.

Adding to 1000221302 its reverse (2031220001), we get a palindrome (3031441303).

The spelling of 1000221302 in words is "one billion, two hundred twenty-one thousand, three hundred two".