229191606272 has 28 divisors (see below), whose sum is σ = 458355251436. Its totient is φ = 114595799040.

The previous prime is 229191606271. The next prime is 229191606439. The reversal of 229191606272 is 272606191922.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229191606271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13980554 + ... + 13996937.

Almost surely, 2^229191606272 is an apocalyptic number.

It is an amenable number.

229191606272 is a deficient number, since it is larger than the sum of its proper divisors (229163645164).

229191606272 is an frugal number, since it uses more digits than its factorization.

229191606272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27977517 (or 27977493 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 229191606272 in words is "two hundred twenty-nine billion, one hundred ninety-one million, six hundred six thousand, two hundred seventy-two".