229533972 has 24 divisors (see below), whose sum is σ = 544360992. Its totient is φ = 75256800.

The previous prime is 229533971. The next prime is 229533989. The reversal of 229533972 is 279335922.

229533972 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 3×229533972³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229533971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156054 + ... + 157517.

It is an arithmetic number, because the mean of its divisors is an integer number (22681708).

Almost surely, 2^229533972 is an apocalyptic number.

It is an amenable number.

229533972 is an abundant number, since it is smaller than the sum of its proper divisors (314827020).

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

229533972 is a wasteful number, since it uses less digits than its factorization.

229533972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313639 (or 313637 counting only the distinct ones).

The product of its digits is 204120, while the sum is 42.

The square root of 229533972 is about 15150.3786091305. The cubic root of 229533972 is about 612.2784733804.

The spelling of 229533972 in words is "two hundred twenty-nine million, five hundred thirty-three thousand, nine hundred seventy-two".