1422745717 has 4 divisors (see below), whose sum is σ = 1435798540. Its totient is φ = 1409692896.

The previous prime is 1422745711. The next prime is 1422745739. The reversal of 1422745717 is 7175472241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 398361681 + 1024384036 = 19959^2 + 32006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422745717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1422745717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422745711) 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, 6526248 + ... + 6526465.

It is an arithmetic number, because the mean of its divisors is an integer number (358949635).

Almost surely, 2^1422745717 is an apocalyptic number.

It is an amenable number.

1422745717 is a deficient number, since it is larger than the sum of its proper divisors (13052823).

1422745717 is a wasteful number, since it uses less digits than its factorization.

1422745717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13052822.

The product of its digits is 109760, while the sum is 40.

The square root of 1422745717 is about 37719.3016504813. The cubic root of 1422745717 is about 1124.7148490794.

The spelling of 1422745717 in words is "one billion, four hundred twenty-two million, seven hundred forty-five thousand, seven hundred seventeen".