1399618322 has 8 divisors (see below), whose sum is σ = 2101147776. Its totient is φ = 699235732.

The previous prime is 1399618321. The next prime is 1399618327. The reversal of 1399618322 is 2238169931.

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

It is not an unprimeable number, because it can be changed into a prime (1399618321) 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, 283658 + ... + 288549.

It is an arithmetic number, because the mean of its divisors is an integer number (262643472).

Almost surely, 2^1399618322 is an apocalyptic number.

1399618322 is a deficient number, since it is larger than the sum of its proper divisors (701529454).

1399618322 is a wasteful number, since it uses less digits than its factorization.

1399618322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573432.

The product of its digits is 139968, while the sum is 44.

The square root of 1399618322 is about 37411.4731332515. The cubic root of 1399618322 is about 1118.5872711847.

The spelling of 1399618322 in words is "one billion, three hundred ninety-nine million, six hundred eighteen thousand, three hundred twenty-two".