4226021568 has 252 divisors, whose sum is σ = 13137733440. Its totient is φ = 1298079744.

The previous prime is 4226021537. The next prime is 4226021593. The reversal of 4226021568 is 8651206224.

It is a happy number.

4226021568 is a `hidden beast` number, since 42 + 2 + 602 + 1 + 5 + 6 + 8 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8822353 + ... + 8822831.

Almost surely, 2^4226021568 is an apocalyptic number.

4226021568 is a gapful number since it is divisible by the number (48) 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 4226021568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6568866720).

4226021568 is an abundant number, since it is smaller than the sum of its proper divisors (8911711872).

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

4226021568 is a wasteful number, since it uses less digits than its factorization.

4226021568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 4226021568 is about 65007.8577404301. The cubic root of 4226021568 is about 1616.7538472182.

The spelling of 4226021568 in words is "four billion, two hundred twenty-six million, twenty-one thousand, five hundred sixty-eight".