1224436912 has 60 divisors (see below), whose sum is σ = 2546924040. Its totient is φ = 570007296.

The previous prime is 1224436897. The next prime is 1224436949. The reversal of 1224436912 is 2196344221.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338988 + ... + 342580.

It is an arithmetic number, because the mean of its divisors is an integer number (42448734).

Almost surely, 2^1224436912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224436912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1273462020).

1224436912 is an abundant number, since it is smaller than the sum of its proper divisors (1322487128).

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

1224436912 is a wasteful number, since it uses less digits than its factorization.

1224436912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698 (or 3673 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 1224436912 is about 34991.9549611050. The cubic root of 1224436912 is about 1069.8235106469.

The spelling of 1224436912 in words is "one billion, two hundred twenty-four million, four hundred thirty-six thousand, nine hundred twelve".