1322213198 has 4 divisors (see below), whose sum is σ = 1983319800. Its totient is φ = 661106598.

The previous prime is 1322213183. The next prime is 1322213201. The reversal of 1322213198 is 8913122231.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 330553298 + ... + 330553301.

It is an arithmetic number, because the mean of its divisors is an integer number (495829950).

Almost surely, 2^1322213198 is an apocalyptic number.

1322213198 is a deficient number, since it is larger than the sum of its proper divisors (661106602).

1322213198 is an equidigital number, since it uses as much as digits as its factorization.

1322213198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661106601.

The product of its digits is 5184, while the sum is 32.

The square root of 1322213198 is about 36362.2496278764. The cubic root of 1322213198 is about 1097.5740470966.

The spelling of 1322213198 in words is "one billion, three hundred twenty-two million, two hundred thirteen thousand, one hundred ninety-eight".