1224286272 has 224 divisors, whose sum is σ = 4063593600. Its totient is φ = 358041600.

The previous prime is 1224286237. The next prime is 1224286277. The reversal of 1224286272 is 2726824221.

1224286272 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 28 + 627 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1224286277) 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, 550122 + ... + 552342.

Almost surely, 2^1224286272 is an apocalyptic number.

1224286272 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 1224286272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031796800).

1224286272 is an abundant number, since it is smaller than the sum of its proper divisors (2839307328).

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

1224286272 is a wasteful number, since it uses less digits than its factorization.

1224286272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282 (or 2266 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 1224286272 is about 34989.8024001280. The cubic root of 1224286272 is about 1069.7796361057.

It can be divided in two parts, 1224 and 286272, that added together give a cube (287496 = 66³).

The spelling of 1224286272 in words is "one billion, two hundred twenty-four million, two hundred eighty-six thousand, two hundred seventy-two".