229496721 has 8 divisors (see below), whose sum is σ = 313459104. Its totient is φ = 149266080.

The previous prime is 229496713. The next prime is 229496741. The reversal of 229496721 is 127694922.

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

It is not a de Polignac number, because 229496721 - 2³ = 229496713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229496741) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 932791 + ... + 933036.

It is an arithmetic number, because the mean of its divisors is an integer number (39182388).

Almost surely, 2^229496721 is an apocalyptic number.

It is an amenable number.

229496721 is a deficient number, since it is larger than the sum of its proper divisors (83962383).

229496721 is a wasteful number, since it uses less digits than its factorization.

229496721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865871.

The product of its digits is 108864, while the sum is 42.

The square root of 229496721 is about 15149.1491840301. The cubic root of 229496721 is about 612.2453494247.

The spelling of 229496721 in words is "two hundred twenty-nine million, four hundred ninety-six thousand, seven hundred twenty-one".