1422207859 has 4 divisors (see below), whose sum is σ = 1422628704. Its totient is φ = 1421787016.

The previous prime is 1422207851. The next prime is 1422207881. The reversal of 1422207859 is 9587022241.

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 1422207859 - 2³ = 1422207851 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422207851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205312 + ... + 212125.

It is an arithmetic number, because the mean of its divisors is an integer number (355657176).

Almost surely, 2^1422207859 is an apocalyptic number.

1422207859 is a deficient number, since it is larger than the sum of its proper divisors (420845).

1422207859 is an equidigital number, since it uses as much as digits as its factorization.

1422207859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420844.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1422207859 is about 37712.1712315799. The cubic root of 1422207859 is about 1124.5731013029.

The spelling of 1422207859 in words is "one billion, four hundred twenty-two million, two hundred seven thousand, eight hundred fifty-nine".