229966477 has 8 divisors (see below), whose sum is σ = 250440120. Its totient is φ = 209890560.

The previous prime is 229966453. The next prime is 229966493. The reversal of 229966477 is 774669922.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7986276 + 221980201 = 2826^2 + 14899^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 229966477 - 2¹⁵ = 229933709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229966777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98224 + ... + 100537.

It is an arithmetic number, because the mean of its divisors is an integer number (31305015).

Almost surely, 2^229966477 is an apocalyptic number.

It is an amenable number.

229966477 is a deficient number, since it is larger than the sum of its proper divisors (20473643).

229966477 is a wasteful number, since it uses less digits than its factorization.

229966477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198863.

The product of its digits is 2286144, while the sum is 52.

The square root of 229966477 is about 15164.6456272476. The cubic root of 229966477 is about 612.6627989853.

The spelling of 229966477 in words is "two hundred twenty-nine million, nine hundred sixty-six thousand, four hundred seventy-seven".