229401900 has 216 divisors, whose sum is σ = 885297504. Its totient is φ = 48384000.

The previous prime is 229401889. The next prime is 229401911. The reversal of 229401900 is 9104922.

229401900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (229401889) and next prime (229401911).

It is a super-2 number, since 2×229401900² = 105250463447220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 80500 + ... + 83300.

Almost surely, 2^229401900 is an apocalyptic number.

229401900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229401900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442648752).

229401900 is an abundant number, since it is smaller than the sum of its proper divisors (655895604).

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

229401900 is a wasteful number, since it uses less digits than its factorization.

229401900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841 (or 2831 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 229401900 is about 15146.0192790053. The cubic root of 229401900 is about 612.1610174813.

The spelling of 229401900 in words is "two hundred twenty-nine million, four hundred one thousand, nine hundred".