4228016625 has 48 divisors (see below), whose sum is σ = 8710535808. Its totient is φ = 1932804000.

The previous prime is 4228016621. The next prime is 4228016657. The reversal of 4228016625 is 5266108224.

It is a happy number.

4228016625 is a `hidden beast` number, since 4 + 2 + 28 + 0 + 1 + 6 + 625 = 666.

4228016625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4228016625 - 2² = 4228016621 is a prime.

It is a super-2 number, since 2×4228016625² = 35752249162552781250, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4228016625.

It is not an unprimeable number, because it can be changed into a prime (4228016621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260571 + ... + 276320.

It is an arithmetic number, because the mean of its divisors is an integer number (181469496).

Almost surely, 2^4228016625 is an apocalyptic number.

4228016625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4228016625 is an abundant number, since it is smaller than the sum of its proper divisors (4482519183).

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

4228016625 is a wasteful number, since it uses less digits than its factorization.

4228016625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536919 (or 536906 counting only the distinct ones).

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

The square root of 4228016625 is about 65023.2006671465. The cubic root of 4228016625 is about 1617.0082242632.

The spelling of 4228016625 in words is "four billion, two hundred twenty-eight million, sixteen thousand, six hundred twenty-five".