1224992448 has 168 divisors, whose sum is σ = 3636294480. Its totient is φ = 393984000.

The previous prime is 1224992381. The next prime is 1224992473. The reversal of 1224992448 is 8442994221.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4880323 + ... + 4880573.

It is an arithmetic number, because the mean of its divisors is an integer number (21644610).

Almost surely, 2^1224992448 is an apocalyptic number.

1224992448 is a gapful number since it is divisible by the number (18) 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 1224992448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1818147240).

1224992448 is an abundant number, since it is smaller than the sum of its proper divisors (2411302032).

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

1224992448 is a wasteful number, since it uses less digits than its factorization.

1224992448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 522 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 1224992448 is about 34999.8921141194. The cubic root of 1224992448 is about 1069.9852817727.

The spelling of 1224992448 in words is "one billion, two hundred twenty-four million, nine hundred ninety-two thousand, four hundred forty-eight".