1422220399 has 4 divisors (see below), whose sum is σ = 1455295336. Its totient is φ = 1389145464.

The previous prime is 1422220381. The next prime is 1422220403. The reversal of 1422220399 is 9930222241.

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

It is a cyclic number.

It is not a de Polignac number, because 1422220399 - 2⁵ = 1422220367 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 (1422220309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16537404 + ... + 16537489.

It is an arithmetic number, because the mean of its divisors is an integer number (363823834).

Almost surely, 2^1422220399 is an apocalyptic number.

1422220399 is a deficient number, since it is larger than the sum of its proper divisors (33074937).

1422220399 is an equidigital number, since it uses as much as digits as its factorization.

1422220399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33074936.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1422220399 is about 37712.3374905348. The cubic root of 1422220399 is about 1124.5764065172.

The spelling of 1422220399 in words is "one billion, four hundred twenty-two million, two hundred twenty thousand, three hundred ninety-nine".