1228363752 has 192 divisors, whose sum is σ = 3922603200. Its totient is φ = 316968960.

The previous prime is 1228363727. The next prime is 1228363769. The reversal of 1228363752 is 2573638221.

It is a self number, because there is not a number n which added to its sum of digits gives 1228363752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3479608 + ... + 3479960.

It is an arithmetic number, because the mean of its divisors is an integer number (20430225).

Almost surely, 2^1228363752 is an apocalyptic number.

1228363752 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 1228363752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1961301600).

1228363752 is an abundant number, since it is smaller than the sum of its proper divisors (2694239448).

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

1228363752 is a wasteful number, since it uses less digits than its factorization.

1228363752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 645 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 1228363752 is about 35048.0206573781. The cubic root of 1228363752 is about 1070.9659521834.

The spelling of 1228363752 in words is "one billion, two hundred twenty-eight million, three hundred sixty-three thousand, seven hundred fifty-two".