228061400 has 48 divisors (see below), whose sum is σ = 605995440. Its totient is φ = 78192000.

The previous prime is 228061381. The next prime is 228061411. The reversal of 228061400 is 4160822.

228061400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80051 + ... + 82850.

It is an arithmetic number, because the mean of its divisors is an integer number (12624905).

Almost surely, 2^228061400 is an apocalyptic number.

228061400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228061400 is an abundant number, since it is smaller than the sum of its proper divisors (377934040).

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

228061400 is a wasteful number, since it uses less digits than its factorization.

228061400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162924 (or 162915 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 228061400 is about 15101.7018908466. The cubic root of 228061400 is about 610.9663086364.

The spelling of 228061400 in words is "two hundred twenty-eight million, sixty-one thousand, four hundred".