228901700 has 36 divisors (see below), whose sum is σ = 506100420. Its totient is φ = 89831040.

The previous prime is 228901693. The next prime is 228901711. The reversal of 228901700 is 7109822.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 25725184 + 203176516 = 5072^2 + 14254^2 .

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, 16295 + ... + 26894.

It is an arithmetic number, because the mean of its divisors is an integer number (14058345).

Almost surely, 2^228901700 is an apocalyptic number.

228901700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228901700 is an abundant number, since it is smaller than the sum of its proper divisors (277198720).

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

228901700 is a wasteful number, since it uses less digits than its factorization.

228901700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43256 (or 43249 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 228901700 is about 15129.4976783765. The cubic root of 228901700 is about 611.7157643184.

The spelling of 228901700 in words is "two hundred twenty-eight million, nine hundred one thousand, seven hundred".