228272592 has 40 divisors (see below), whose sum is σ = 608730880. Its totient is φ = 73635840.

The previous prime is 228272587. The next prime is 228272621. The reversal of 228272592 is 295272822.

It is a happy number.

228272592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 228272592.

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, 75217 + ... + 78192.

It is an arithmetic number, because the mean of its divisors is an integer number (15218272).

Almost surely, 2^228272592 is an apocalyptic number.

It is an amenable number.

228272592 is an abundant number, since it is smaller than the sum of its proper divisors (380458288).

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

228272592 is a wasteful number, since it uses less digits than its factorization.

228272592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153451 (or 153445 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 228272592 is about 15108.6925973097. The cubic root of 228272592 is about 611.1548417656.

The spelling of 228272592 in words is "two hundred twenty-eight million, two hundred seventy-two thousand, five hundred ninety-two".