1422050309 has 4 divisors (see below), whose sum is σ = 1422261900. Its totient is φ = 1421838720.

The previous prime is 1422050281. The next prime is 1422050317. The reversal of 1422050309 is 9030502241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9030502241 = 29 ⋅311396629.

It can be written as a sum of positive squares in 2 ways, for example, as 524868100 + 897182209 = 22910^2 + 29953^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422050309 - 2²⁰ = 1421001733 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 (1422050339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95372 + ... + 109269.

It is an arithmetic number, because the mean of its divisors is an integer number (355565475).

Almost surely, 2^1422050309 is an apocalyptic number.

It is an amenable number.

1422050309 is a deficient number, since it is larger than the sum of its proper divisors (211591).

1422050309 is an equidigital number, since it uses as much as digits as its factorization.

1422050309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211590.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1422050309 is about 37710.0823255532. The cubic root of 1422050309 is about 1124.5315736097.

The spelling of 1422050309 in words is "one billion, four hundred twenty-two million, fifty thousand, three hundred nine".