1424423220 has 96 divisors (see below), whose sum is σ = 4359761280. Its totient is φ = 344616960.

The previous prime is 1424423207. The next prime is 1424423263. The reversal of 1424423220 is 223244241.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 373644 + ... + 377436.

It is an arithmetic number, because the mean of its divisors is an integer number (45414180).

Almost surely, 2^1424423220 is an apocalyptic number.

1424423220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1424423220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2179880640).

1424423220 is an abundant number, since it is smaller than the sum of its proper divisors (2935338060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1424423220 is a wasteful number, since it uses less digits than its factorization.

1424423220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385 (or 4383 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1424423220 is about 37741.5317654173. The cubic root of 1424423220 is about 1125.1567110089.

Adding to 1424423220 its reverse (223244241), we get a palindrome (1647667461).

The spelling of 1424423220 in words is "one billion, four hundred twenty-four million, four hundred twenty-three thousand, two hundred twenty".