1321422998 has 8 divisors (see below), whose sum is σ = 2265296592. Its totient is φ = 566324136.

The previous prime is 1321422983. The next prime is 1321423009. The reversal of 1321422998 is 8992241231.

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, 47193665 + ... + 47193692.

It is an arithmetic number, because the mean of its divisors is an integer number (283162074).

Almost surely, 2^1321422998 is an apocalyptic number.

1321422998 is a deficient number, since it is larger than the sum of its proper divisors (943873594).

1321422998 is an equidigital number, since it uses as much as digits as its factorization.

1321422998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94387366.

The product of its digits is 62208, while the sum is 41.

The square root of 1321422998 is about 36351.3823396030. The cubic root of 1321422998 is about 1097.3553542142.

The spelling of 1321422998 in words is "one billion, three hundred twenty-one million, four hundred twenty-two thousand, nine hundred ninety-eight".