228272700 has 72 divisors (see below), whose sum is σ = 689205888. Its totient is φ = 58224320.

The previous prime is 228272699. The next prime is 228272713. The reversal of 228272700 is 7272822.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9642 + ... + 23441.

It is an arithmetic number, because the mean of its divisors is an integer number (9572304).

Almost surely, 2^228272700 is an apocalyptic number.

228272700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228272700 is an abundant number, since it is smaller than the sum of its proper divisors (460933188).

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

228272700 is a wasteful number, since it uses less digits than its factorization.

228272700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33123 (or 33116 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 228272700 is about 15108.6961714107. The cubic root of 228272700 is about 611.1549381485.

The spelling of 228272700 in words is "two hundred twenty-eight million, two hundred seventy-two thousand, seven hundred".