1384228224 has 128 divisors (see below), whose sum is σ = 4185468000. Its totient is φ = 450109440.

The previous prime is 1384228217. The next prime is 1384228229. The reversal of 1384228224 is 4228224831.

1384228224 is a `hidden beast` number, since 1 + 3 + 8 + 422 + 8 + 224 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1384228224² = 3832175552236388352, which contains 22 as substring.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384228229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136812 + ... + 146580.

Almost surely, 2^1384228224 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 1384228224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2092734000).

1384228224 is an abundant number, since it is smaller than the sum of its proper divisors (2801239776).

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

1384228224 is an equidigital number, since it uses as much as digits as its factorization.

1384228224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9833 (or 9815 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 1384228224 is about 37205.2176985971. The cubic root of 1384228224 is about 1114.4721838401.

The spelling of 1384228224 in words is "one billion, three hundred eighty-four million, two hundred twenty-eight thousand, two hundred twenty-four".