229998477 has 16 divisors (see below), whose sum is σ = 325172160. Its totient is φ = 144196992.

The previous prime is 229998469. The next prime is 229998499. The reversal of 229998477 is 774899922.

It is not a de Polignac number, because 229998477 - 2³ = 229998469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229998437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6918 + ... + 22535.

It is an arithmetic number, because the mean of its divisors is an integer number (20323260).

Almost surely, 2^229998477 is an apocalyptic number.

It is an amenable number.

229998477 is a deficient number, since it is larger than the sum of its proper divisors (95173683).

229998477 is a wasteful number, since it uses less digits than its factorization.

229998477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29612.

The product of its digits is 4572288, while the sum is 57.

The square root of 229998477 is about 15165.7006761969. The cubic root of 229998477 is about 612.6912151564.

The spelling of 229998477 in words is "two hundred twenty-nine million, nine hundred ninety-eight thousand, four hundred seventy-seven".