229247477 has 4 divisors (see below), whose sum is σ = 231517356. Its totient is φ = 226977600.

The previous prime is 229247471. The next prime is 229247479. The reversal of 229247477 is 774742922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143017681 + 86229796 = 11959^2 + 9286^2 .

It is a cyclic number.

It is not a de Polignac number, because 229247477 - 2⁴ = 229247461 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 (229247471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134788 + ... + 1134989.

It is an arithmetic number, because the mean of its divisors is an integer number (57879339).

Almost surely, 2^229247477 is an apocalyptic number.

It is an amenable number.

229247477 is a deficient number, since it is larger than the sum of its proper divisors (2269879).

229247477 is a wasteful number, since it uses less digits than its factorization.

229247477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269878.

The product of its digits is 395136, while the sum is 44.

The square root of 229247477 is about 15140.9206126972. The cubic root of 229247477 is about 612.0236269304.

The spelling of 229247477 in words is "two hundred twenty-nine million, two hundred forty-seven thousand, four hundred seventy-seven".