532640229 has 8 divisors (see below), whose sum is σ = 774749472. Its totient is φ = 322812240.

The previous prime is 532640221. The next prime is 532640239. The reversal of 532640229 is 922046235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 532640229 - 2³ = 532640221 is a prime.

It is a super-3 number, since 3×532640229³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 16140613 = 532640229 / (5 + 3 + 2 + 6 + 4 + 0 + 2 + 2 + 9).

It is a self number, because there is not a number n which added to its sum of digits gives 532640229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532640221) 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, 8070274 + ... + 8070339.

It is an arithmetic number, because the mean of its divisors is an integer number (96843684).

Almost surely, 2^532640229 is an apocalyptic number.

It is an amenable number.

532640229 is a deficient number, since it is larger than the sum of its proper divisors (242109243).

532640229 is a wasteful number, since it uses less digits than its factorization.

532640229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16140627.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 532640229 is about 23078.9997400234. Note that the first 3 decimals coincide. The cubic root of 532640229 is about 810.6088137401.

The spelling of 532640229 in words is "five hundred thirty-two million, six hundred forty thousand, two hundred twenty-nine".