1220322199 has 2 divisors, whose sum is σ = 1220322200. Its totient is φ = 1220322198.

The previous prime is 1220322151. The next prime is 1220322211. The reversal of 1220322199 is 9912230221.

It is a strong prime.

It is an emirp because it is prime and its reverse (9912230221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220322199 - 2²⁷ = 1086104471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220322199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220322119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610161099 + 610161100.

It is an arithmetic number, because the mean of its divisors is an integer number (610161100).

Almost surely, 2^1220322199 is an apocalyptic number.

1220322199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220322199 is an equidigital number, since it uses as much as digits as its factorization.

1220322199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1220322199 is about 34933.1103539321. The cubic root of 1220322199 is about 1068.6237872273.

The spelling of 1220322199 in words is "one billion, two hundred twenty million, three hundred twenty-two thousand, one hundred ninety-nine".