229316421 has 16 divisors (see below), whose sum is σ = 314452800. Its totient is φ = 148587648.

The previous prime is 229316327. The next prime is 229316429. The reversal of 229316421 is 124613922.

It is not a de Polignac number, because 229316421 - 2⁷ = 229316293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229316429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8475 + ... + 23031.

It is an arithmetic number, because the mean of its divisors is an integer number (19653300).

Almost surely, 2^229316421 is an apocalyptic number.

It is an amenable number.

229316421 is a deficient number, since it is larger than the sum of its proper divisors (85136379).

229316421 is a wasteful number, since it uses less digits than its factorization.

229316421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14708.

The product of its digits is 5184, while the sum is 30.

The square root of 229316421 is about 15143.1971855352. The cubic root of 229316421 is about 612.0849742107.

The spelling of 229316421 in words is "two hundred twenty-nine million, three hundred sixteen thousand, four hundred twenty-one".