824227380 has 192 divisors, whose sum is σ = 2699827200. Its totient is φ = 208465920.

The previous prime is 824227373. The next prime is 824227381. The reversal of 824227380 is 83722428.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (824227381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 886756 + ... + 887684.

It is an arithmetic number, because the mean of its divisors is an integer number (14061600).

Almost surely, 2^824227380 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 824227380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349913600).

824227380 is an abundant number, since it is smaller than the sum of its proper divisors (1875599820).

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

824227380 is a wasteful number, since it uses less digits than its factorization.

824227380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1023 counting only the distinct ones).

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

The square root of 824227380 is about 28709.3604944450. The cubic root of 824227380 is about 937.5958557988.

The spelling of 824227380 in words is "eight hundred twenty-four million, two hundred twenty-seven thousand, three hundred eighty".