229801900 has 18 divisors (see below), whose sum is σ = 498670340. Its totient is φ = 91920720.

The previous prime is 229801877. The next prime is 229801909. The reversal of 229801900 is 9108922.

It is a super-2 number, since 2×229801900² = 105617826487220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229801909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1148910 + ... + 1149109.

Almost surely, 2^229801900 is an apocalyptic number.

229801900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229801900 is an abundant number, since it is smaller than the sum of its proper divisors (268868440).

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

229801900 is a wasteful number, since it uses less digits than its factorization.

229801900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298033 (or 2298026 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 229801900 is about 15159.2183175783. The cubic root of 229801900 is about 612.5166120720.

The spelling of 229801900 in words is "two hundred twenty-nine million, eight hundred one thousand, nine hundred".