1422715509 has 20 divisors (see below), whose sum is σ = 2126424960. Its totient is φ = 947971080.

The previous prime is 1422715487. The next prime is 1422715523. The reversal of 1422715509 is 9055172241.

1422715509 is a `hidden beast` number, since 14 + 22 + 71 + 550 + 9 = 666.

It is not a de Polignac number, because 1422715509 - 2⁵ = 1422715477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422715529) 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 19 ways as a sum of consecutive naturals, for example, 206482 + ... + 213260.

It is an arithmetic number, because the mean of its divisors is an integer number (106321248).

Almost surely, 2^1422715509 is an apocalyptic number.

It is an amenable number.

1422715509 is a deficient number, since it is larger than the sum of its proper divisors (703709451).

1422715509 is an equidigital number, since it uses as much as digits as its factorization.

1422715509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9382 (or 9373 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 1422715509 is about 37718.9012167640. The cubic root of 1422715509 is about 1124.7068889719.

The spelling of 1422715509 in words is "one billion, four hundred twenty-two million, seven hundred fifteen thousand, five hundred nine".