229916250 has 120 divisors (see below), whose sum is σ = 631597824. Its totient is φ = 60420000.

The previous prime is 229916237. The next prime is 229916311. The reversal of 229916250 is 52619922.

It is a happy number.

229916250 is a `hidden beast` number, since 2 + 29 + 9 + 1 + 625 + 0 = 666.

229916250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×229916250² = 105722964028125000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1203655 + ... + 1203845.

Almost surely, 2^229916250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229916250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315798912).

229916250 is an abundant number, since it is smaller than the sum of its proper divisors (401681574).

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

229916250 is a wasteful number, since it uses less digits than its factorization.

229916250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 229916250 is about 15162.9894809698. The cubic root of 229916250 is about 612.6181918243.

It can be divided in two parts, 22991 and 6250, that added together give a square (29241 = 171²).

The spelling of 229916250 in words is "two hundred twenty-nine million, nine hundred sixteen thousand, two hundred fifty".