229547979550 has 24 divisors (see below), whose sum is σ = 427221814536. Its totient is φ = 91762724640.

The previous prime is 229547979541. The next prime is 229547979581. The reversal of 229547979550 is 55979745922.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1329517 + ... + 1492216.

It is an arithmetic number, because the mean of its divisors is an integer number (17800908939).

Almost surely, 2^229547979550 is an apocalyptic number.

229547979550 is a deficient number, since it is larger than the sum of its proper divisors (197673834986).

229547979550 is a wasteful number, since it uses less digits than its factorization.

229547979550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823372 (or 2823367 counting only the distinct ones).

The product of its (nonzero) digits is 71442000, while the sum is 64.

The spelling of 229547979550 in words is "two hundred twenty-nine billion, five hundred forty-seven million, nine hundred seventy-nine thousand, five hundred fifty".