4322146428 has 72 divisors (see below), whose sum is σ = 11326704480. Its totient is φ = 1388016000.

The previous prime is 4322146403. The next prime is 4322146441. The reversal of 4322146428 is 8246412234.

4322146428 is a `hidden beast` number, since 4 + 3 + 2 + 2 + 1 + 4 + 642 + 8 = 666.

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 = 4322146392 and 4322146401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 504178 + ... + 512678.

It is an arithmetic number, because the mean of its divisors is an integer number (157315340).

Almost surely, 2^4322146428 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 4322146428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5663352240).

4322146428 is an abundant number, since it is smaller than the sum of its proper divisors (7004558052).

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

4322146428 is a wasteful number, since it uses less digits than its factorization.

4322146428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9027 (or 9022 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 4322146428 is about 65743.0333039175. The cubic root of 4322146428 is about 1628.9202614983.

The spelling of 4322146428 in words is "four billion, three hundred twenty-two million, one hundred forty-six thousand, four hundred twenty-eight".