1321322298 has 8 divisors (see below), whose sum is σ = 2642644608. Its totient is φ = 440440764.

The previous prime is 1321322291. The next prime is 1321322309. The reversal of 1321322298 is 8922231231.

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

1321322298 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1321322291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110110186 + ... + 110110197.

It is an arithmetic number, because the mean of its divisors is an integer number (330330576).

Almost surely, 2^1321322298 is an apocalyptic number.

1321322298 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321322298 is a wasteful number, since it uses less digits than its factorization.

1321322298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220220388.

The product of its digits is 10368, while the sum is 33.

The square root of 1321322298 is about 36349.9972214579. The cubic root of 1321322298 is about 1097.3274785853.

It can be divided in two parts, 13213 and 22298, that added together give a triangular number (35511 = T₂₆₆).

The spelling of 1321322298 in words is "one billion, three hundred twenty-one million, three hundred twenty-two thousand, two hundred ninety-eight".