1220422199 has 2 divisors, whose sum is σ = 1220422200. Its totient is φ = 1220422198.

The previous prime is 1220422187. The next prime is 1220422207. The reversal of 1220422199 is 9912240221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220422199 - 2¹² = 1220418103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220422169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610211099 + 610211100.

It is an arithmetic number, because the mean of its divisors is an integer number (610211100).

Almost surely, 2^1220422199 is an apocalyptic number.

1220422199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220422199 is an equidigital number, since it uses as much as digits as its factorization.

1220422199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1220422199 is about 34934.5416314570. The cubic root of 1220422199 is about 1068.6529760924.

The spelling of 1220422199 in words is "one billion, two hundred twenty million, four hundred twenty-two thousand, one hundred ninety-nine".