1424315221 has 16 divisors (see below), whose sum is σ = 1714585600. Its totient is φ = 1155828528.

The previous prime is 1424315219. The next prime is 1424315239. The reversal of 1424315221 is 1225134241.

It is a cyclic number.

It is not a de Polignac number, because 1424315221 - 2¹ = 1424315219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424315261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295396 + ... + 300178.

It is an arithmetic number, because the mean of its divisors is an integer number (107161600).

Almost surely, 2^1424315221 is an apocalyptic number.

It is an amenable number.

1424315221 is a deficient number, since it is larger than the sum of its proper divisors (290270379).

1424315221 is a wasteful number, since it uses less digits than its factorization.

1424315221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7048.

The product of its digits is 1920, while the sum is 25.

The square root of 1424315221 is about 37740.1009670086. The cubic root of 1424315221 is about 1125.1282740319.

Adding to 1424315221 its reverse (1225134241), we get a palindrome (2649449462).

The spelling of 1424315221 in words is "one billion, four hundred twenty-four million, three hundred fifteen thousand, two hundred twenty-one".