4228642272 has 48 divisors (see below), whose sum is σ = 11184953472. Its totient is φ = 1398783360.

The previous prime is 4228642241. The next prime is 4228642289. The reversal of 4228642272 is 2722468224.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 4228642272.

It is a congruent number.

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, 155548 + ... + 180699.

It is an arithmetic number, because the mean of its divisors is an integer number (233019864).

Almost surely, 2^4228642272 is an apocalyptic number.

It is an amenable number.

4228642272 is an abundant number, since it is smaller than the sum of its proper divisors (6956311200).

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

4228642272 is a wasteful number, since it uses less digits than its factorization.

4228642272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336391 (or 336383 counting only the distinct ones).

The product of its digits is 172032, while the sum is 39.

The square root of 4228642272 is about 65028.0114412243. The cubic root of 4228642272 is about 1617.0879800555.

The spelling of 4228642272 in words is "four billion, two hundred twenty-eight million, six hundred forty-two thousand, two hundred seventy-two".