4227137928 has 160 divisors (see below), whose sum is σ = 13162786560. Its totient is φ = 1258623360.

The previous prime is 4227137921. The next prime is 4227137983. The reversal of 4227137928 is 8297317224.

4227137928 is a `hidden beast` number, since 4 + 2 + 271 + 379 + 2 + 8 = 666.

4227137928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4227137928² = 35737390124672266368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4227137921) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 253051 + ... + 269237.

It is an arithmetic number, because the mean of its divisors is an integer number (82267416).

Almost surely, 2^4227137928 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 4227137928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6581393280).

4227137928 is an abundant number, since it is smaller than the sum of its proper divisors (8935648632).

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

4227137928 is a wasteful number, since it uses less digits than its factorization.

4227137928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16249 (or 16236 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 4227137928 is about 65016.4435200819. The cubic root of 4227137928 is about 1616.8961970533.

The spelling of 4227137928 in words is "four billion, two hundred twenty-seven million, one hundred thirty-seven thousand, nine hundred twenty-eight".