1422199 has 2 divisors, whose sum is σ = 1422200. Its totient is φ = 1422198.

The previous prime is 1422193. The next prime is 1422221. The reversal of 1422199 is 9912241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1422199 - 2³ = 1422191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711099 + 711100.

It is an arithmetic number, because the mean of its divisors is an integer number (711100).

2^1422199 is an apocalyptic number.

1422199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422199 is an equidigital number, since it uses as much as digits as its factorization.

1422199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 28.

The square root of 1422199 is about 1192.5598517475. The cubic root of 1422199 is about 112.4570766292.

The spelling of 1422199 in words is "one million, four hundred twenty-two thousand, one hundred ninety-nine".