1422151999 has 2 divisors, whose sum is σ = 1422152000. Its totient is φ = 1422151998.

The previous prime is 1422151993. The next prime is 1422152009. The reversal of 1422151999 is 9991512241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1422151999 - 2¹⁷ = 1422020927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422151993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711075999 + 711076000.

It is an arithmetic number, because the mean of its divisors is an integer number (711076000).

Almost surely, 2^1422151999 is an apocalyptic number.

1422151999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422151999 is an equidigital number, since it uses as much as digits as its factorization.

1422151999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 43.

The square root of 1422151999 is about 37711.4306146028. The cubic root of 1422151999 is about 1124.5583778395.

The spelling of 1422151999 in words is "one billion, four hundred twenty-two million, one hundred fifty-one thousand, nine hundred ninety-nine".