1224424212 has 48 divisors (see below), whose sum is σ = 3147609024. Its totient is φ = 367360000.

The previous prime is 1224424207. The next prime is 1224424249. The reversal of 1224424212 is 2124244221.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 32589 + ... + 59252.

It is an arithmetic number, because the mean of its divisors is an integer number (65575188).

Almost surely, 2^1224424212 is an apocalyptic number.

1224424212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1224424212 is an abundant number, since it is smaller than the sum of its proper divisors (1923184812).

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

1224424212 is a wasteful number, since it uses less digits than its factorization.

1224424212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91960 (or 91958 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

The square root of 1224424212 is about 34991.7734903506. The cubic root of 1224424212 is about 1069.8198118567.

Adding to 1224424212 its reverse (2124244221), we get a palindrome (3348668433).

Subtracting 1224424212 from its reverse (2124244221), we obtain a square (899820009 = 29997²).

The spelling of 1224424212 in words is "one billion, two hundred twenty-four million, four hundred twenty-four thousand, two hundred twelve".