229747956 has 12 divisors (see below), whose sum is σ = 536078592. Its totient is φ = 76582648.

The previous prime is 229747937. The next prime is 229747961. The reversal of 229747956 is 659747922.

229747956 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×229747956³ (a number of 26 digits) contains 333 as substring.

229747956 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 229747899 and 229747908.

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, 9572820 + ... + 9572843.

It is an arithmetic number, because the mean of its divisors is an integer number (44673216).

Almost surely, 2^229747956 is an apocalyptic number.

It is an amenable number.

229747956 is an abundant number, since it is smaller than the sum of its proper divisors (306330636).

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

229747956 is a wasteful number, since it uses less digits than its factorization.

229747956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19145670 (or 19145668 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The square root of 229747956 is about 15157.4389657356. The cubic root of 229747956 is about 612.4686806698.

The spelling of 229747956 in words is "two hundred twenty-nine million, seven hundred forty-seven thousand, nine hundred fifty-six".