1422704218 has 8 divisors (see below), whose sum is σ = 2298214548. Its totient is φ = 656632704.

The previous prime is 1422704209. The next prime is 1422704219. The reversal of 1422704218 is 8124072241.

It can be written as a sum of positive squares in 2 ways, for example, as 1412030929 + 10673289 = 37577^2 + 3267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1422704218.

It is not an unprimeable number, because it can be changed into a prime (1422704219) 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, 27359671 + ... + 27359722.

Almost surely, 2^1422704218 is an apocalyptic number.

1422704218 is a deficient number, since it is larger than the sum of its proper divisors (875510330).

1422704218 is a wasteful number, since it uses less digits than its factorization.

1422704218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54719408.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 1422704218 is about 37718.7515434962. The cubic root of 1422704218 is about 1124.7039136525.

Adding to 1422704218 its reverse (8124072241), we get a palindrome (9546776459).

The spelling of 1422704218 in words is "one billion, four hundred twenty-two million, seven hundred four thousand, two hundred eighteen".