229637532 has 12 divisors (see below), whose sum is σ = 535820936. Its totient is φ = 76545840.

The previous prime is 229637531. The next prime is 229637557. The reversal of 229637532 is 235736922.

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

It is a super-2 number, since 2×229637532² = 105466792206102048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229637531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9568219 + ... + 9568242.

Almost surely, 2^229637532 is an apocalyptic number.

It is an amenable number.

229637532 is an abundant number, since it is smaller than the sum of its proper divisors (306183404).

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

229637532 is a wasteful number, since it uses less digits than its factorization.

229637532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19136468 (or 19136466 counting only the distinct ones).

The product of its digits is 136080, while the sum is 39.

The square root of 229637532 is about 15153.7959600887. The cubic root of 229637532 is about 612.3705411247.

The spelling of 229637532 in words is "two hundred twenty-nine million, six hundred thirty-seven thousand, five hundred thirty-two".