1424224321 has 16 divisors (see below), whose sum is σ = 1565164944. Its totient is φ = 1287846144.

The previous prime is 1424224309. The next prime is 1424224327. The reversal of 1424224321 is 1234224241.

It can be written as a sum of positive squares in 8 ways, for example, as 5948721 + 1418275600 = 2439^2 + 37660^2 .

It is not a de Polignac number, because 1424224321 - 2²³ = 1415835713 is a prime.

It is a super-2 number, since 2×1424224321² = 4056829833055822082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424224327) 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, 603075 + ... + 605431.

It is an arithmetic number, because the mean of its divisors is an integer number (97822809).

Almost surely, 2^1424224321 is an apocalyptic number.

It is an amenable number.

1424224321 is a deficient number, since it is larger than the sum of its proper divisors (140940623).

1424224321 is a wasteful number, since it uses less digits than its factorization.

1424224321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300.

The product of its digits is 3072, while the sum is 25.

The square root of 1424224321 is about 37738.8966584875. The cubic root of 1424224321 is about 1125.1043382405.

Adding to 1424224321 its reverse (1234224241), we get a palindrome (2658448562).

The spelling of 1424224321 in words is "one billion, four hundred twenty-four million, two hundred twenty-four thousand, three hundred twenty-one".