1424221424 has 40 divisors (see below), whose sum is σ = 2785342560. Its totient is φ = 705454848.

The previous prime is 1424221423. The next prime is 1424221457. The reversal of 1424221424 is 4241224241.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1424221393 and 1424221402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424221423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995942 + ... + 997370.

It is an arithmetic number, because the mean of its divisors is an integer number (69633564).

Almost surely, 2^1424221424 is an apocalyptic number.

It is an amenable number.

1424221424 is a deficient number, since it is larger than the sum of its proper divisors (1361121136).

1424221424 is a wasteful number, since it uses less digits than its factorization.

1424221424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977 (or 1971 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 1424221424 is about 37738.8582763178. The cubic root of 1424221424 is about 1125.1035753856.

Adding to 1424221424 its reverse (4241224241), we get a palindrome (5665445665).

The spelling of 1424221424 in words is "one billion, four hundred twenty-four million, two hundred twenty-one thousand, four hundred twenty-four".