1000213222 has 4 divisors (see below), whose sum is σ = 1500319836. Its totient is φ = 500106610.

The previous prime is 1000213199. The next prime is 1000213237. The reversal of 1000213222 is 2223120001.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250053304 + ... + 250053307.

It is an arithmetic number, because the mean of its divisors is an integer number (375079959).

Almost surely, 2^1000213222 is an apocalyptic number.

1000213222 is a deficient number, since it is larger than the sum of its proper divisors (500106614).

1000213222 is an equidigital number, since it uses as much as digits as its factorization.

1000213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500106613.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1000213222 is about 31626.1477578285. The cubic root of 1000213222 is about 1000.0710689491.

Adding to 1000213222 its reverse (2223120001), we get a palindrome (3223333223).

The spelling of 1000213222 in words is "one billion, two hundred thirteen thousand, two hundred twenty-two".