229742904 has 16 divisors (see below), whose sum is σ = 574357320. Its totient is φ = 76580960.

The previous prime is 229742833. The next prime is 229742911. The reversal of 229742904 is 409247922.

229742904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×229742904³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4786287 + ... + 4786334.

Almost surely, 2^229742904 is an apocalyptic number.

229742904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

229742904 is an abundant number, since it is smaller than the sum of its proper divisors (344614416).

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

229742904 is a wasteful number, since it uses less digits than its factorization.

229742904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9572630 (or 9572626 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 229742904 is about 15157.2723139752. The cubic root of 229742904 is about 612.4641913815.

It can be divided in two parts, 22974 and 2904, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 229742904 in words is "two hundred twenty-nine million, seven hundred forty-two thousand, nine hundred four".