1224942432 has 192 divisors, whose sum is σ = 3831496704. Its totient is φ = 335301120.

The previous prime is 1224942373. The next prime is 1224942437. The reversal of 1224942432 is 2342494221.

It is a junction number, because it is equal to n+sod(n) for n = 1224942393 and 1224942402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224942437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2645433 + ... + 2645895.

It is an arithmetic number, because the mean of its divisors is an integer number (19955712).

Almost surely, 2^1224942432 is an apocalyptic number.

1224942432 is a gapful number since it is divisible by the number (12) 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 1224942432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1915748352).

1224942432 is an abundant number, since it is smaller than the sum of its proper divisors (2606554272).

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

1224942432 is a wasteful number, since it uses less digits than its factorization.

1224942432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 633 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 1224942432 is about 34999.1775903377. The cubic root of 1224942432 is about 1069.9707192034.

The spelling of 1224942432 in words is "one billion, two hundred twenty-four million, nine hundred forty-two thousand, four hundred thirty-two".