4279226820 has 192 divisors, whose sum is σ = 13710090240. Its totient is φ = 987148800.

The previous prime is 4279226803. The next prime is 4279226827. The reversal of 4279226820 is 286229724.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4279226827) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 3475605 + ... + 3476835.

It is an arithmetic number, because the mean of its divisors is an integer number (71406720).

Almost surely, 2^4279226820 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 4279226820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6855045120).

4279226820 is an abundant number, since it is smaller than the sum of its proper divisors (9430863420).

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

4279226820 is a wasteful number, since it uses less digits than its factorization.

4279226820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 4279226820 is about 65415.7994677127. The cubic root of 4279226820 is about 1623.5105019466.

The spelling of 4279226820 in words is "four billion, two hundred seventy-nine million, two hundred twenty-six thousand, eight hundred twenty".