228125592 has 128 divisors (see below), whose sum is σ = 675993600. Its totient is φ = 71115264.

The previous prime is 228125591. The next prime is 228125593. The reversal of 228125592 is 295521822.

228125592 is a `hidden beast` number, since 22 + 81 + 2 + 559 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (228125591) and next prime (228125593).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228125591) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233008 + ... + 233984.

It is an arithmetic number, because the mean of its divisors is an integer number (5281200).

Almost surely, 2^228125592 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 228125592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337996800).

228125592 is an abundant number, since it is smaller than the sum of its proper divisors (447868008).

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

228125592 is a wasteful number, since it uses less digits than its factorization.

228125592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1052 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 228125592 is about 15103.8270646879. The cubic root of 228125592 is about 611.0236257598.

The spelling of 228125592 in words is "two hundred twenty-eight million, one hundred twenty-five thousand, five hundred ninety-two".