2443452228 has 162 divisors, whose sum is σ = 7634008746. Its totient is φ = 656925696.

The previous prime is 2443452161. The next prime is 2443452229. The reversal of 2443452228 is 8222543442.

It can be written as a sum of positive squares in 3 ways, for example, as 1480094784 + 963357444 = 38472^2 + 31038^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2443452192 and 2443452201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443452229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 507400 + ... + 512192.

Almost surely, 2^2443452228 is an apocalyptic number.

2443452228 is a gapful number since it is divisible by the number (28) 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 2443452228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3817004373).

2443452228 is an abundant number, since it is smaller than the sum of its proper divisors (5190556518).

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

2443452228 is a wasteful number, since it uses less digits than its factorization.

2443452228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851 (or 4822 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

The square root of 2443452228 is about 49431.2879459963. The cubic root of 2443452228 is about 1346.8977192623.

The spelling of 2443452228 in words is "two billion, four hundred forty-three million, four hundred fifty-two thousand, two hundred twenty-eight".