1331422199 has 4 divisors (see below), whose sum is σ = 1334677920. Its totient is φ = 1328166480.

The previous prime is 1331422189. The next prime is 1331422217. The reversal of 1331422199 is 9912241331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331422199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331422109) 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, 1627247 + ... + 1628064.

It is an arithmetic number, because the mean of its divisors is an integer number (333669480).

Almost surely, 2^1331422199 is an apocalyptic number.

1331422199 is a deficient number, since it is larger than the sum of its proper divisors (3255721).

1331422199 is an equidigital number, since it uses as much as digits as its factorization.

1331422199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255720.

The product of its digits is 11664, while the sum is 35.

The square root of 1331422199 is about 36488.6584982238. The cubic root of 1331422199 is about 1100.1162959688.

The spelling of 1331422199 in words is "one billion, three hundred thirty-one million, four hundred twenty-two thousand, one hundred ninety-nine".