229921700 has 36 divisors (see below), whose sum is σ = 512422932. Its totient is φ = 89481600.

The previous prime is 229921673. The next prime is 229921723. The reversal of 229921700 is 7129922.

229921700 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 19149376 + 210772324 = 4376^2 + 14518^2 .

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, 27371 + ... + 34770.

Almost surely, 2^229921700 is an apocalyptic number.

229921700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229921700 is an abundant number, since it is smaller than the sum of its proper divisors (282501232).

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

229921700 is a wasteful number, since it uses less digits than its factorization.

229921700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62192 (or 62185 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 229921700 is about 15163.1691938064. The cubic root of 229921700 is about 612.6230323445.

The spelling of 229921700 in words is "two hundred twenty-nine million, nine hundred twenty-one thousand, seven hundred".