1424221212 has 24 divisors (see below), whose sum is σ = 3324449296. Its totient is φ = 474559488.

The previous prime is 1424221207. The next prime is 1424221231. The reversal of 1424221212 is 2121224241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12348 + ... + 54780.

Almost surely, 2^1424221212 is an apocalyptic number.

1424221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1424221212 is an abundant number, since it is smaller than the sum of its proper divisors (1900228084).

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

1424221212 is a wasteful number, since it uses less digits than its factorization.

1424221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45237 (or 45235 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 1424221212 is about 37738.8554675417. The cubic root of 1424221212 is about 1125.1035195605.

Adding to 1424221212 its reverse (2121224241), we get a palindrome (3545445453).

The spelling of 1424221212 in words is "one billion, four hundred twenty-four million, two hundred twenty-one thousand, two hundred twelve".