1422304221 has 8 divisors (see below), whose sum is σ = 2042283040. Its totient is φ = 875264112.

The previous prime is 1422304193. The next prime is 1422304231. The reversal of 1422304221 is 1224032241.

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

It is not a de Polignac number, because 1422304221 - 2¹⁴ = 1422287837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422304231) 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 7 ways as a sum of consecutive naturals, for example, 18234631 + ... + 18234708.

It is an arithmetic number, because the mean of its divisors is an integer number (255285380).

Almost surely, 2^1422304221 is an apocalyptic number.

It is an amenable number.

1422304221 is a deficient number, since it is larger than the sum of its proper divisors (619978819).

1422304221 is a wasteful number, since it uses less digits than its factorization.

1422304221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36469355.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1422304221 is about 37713.4488080844. The cubic root of 1422304221 is about 1124.5984992936.

Adding to 1422304221 its reverse (1224032241), we get a palindrome (2646336462).

The spelling of 1422304221 in words is "one billion, four hundred twenty-two million, three hundred four thousand, two hundred twenty-one".