4218722284 has 24 divisors (see below), whose sum is σ = 8804291328. Its totient is φ = 1729413840.

The previous prime is 4218722279. The next prime is 4218722309. The reversal of 4218722284 is 4822278124.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3274762 + ... + 3276049.

It is an arithmetic number, because the mean of its divisors is an integer number (366845472).

Almost surely, 2^4218722284 is an apocalyptic number.

It is an amenable number.

4218722284 is an abundant number, since it is smaller than the sum of its proper divisors (4585569044).

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

4218722284 is a wasteful number, since it uses less digits than its factorization.

4218722284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6550845 (or 6550843 counting only the distinct ones).

The product of its digits is 114688, while the sum is 40.

The square root of 4218722284 is about 64951.6919256150. The cubic root of 4218722284 is about 1615.8224790088.

The spelling of 4218722284 in words is "four billion, two hundred eighteen million, seven hundred twenty-two thousand, two hundred eighty-four".