229877465 has 4 divisors (see below), whose sum is σ = 275852964. Its totient is φ = 183901968.

The previous prime is 229877449. The next prime is 229877471. The reversal of 229877465 is 564778922.

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 55294096 + 174583369 = 7436^2 + 13213^2 .

It is a cyclic number.

It is not a de Polignac number, because 229877465 - 2⁴ = 229877449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22987742 + ... + 22987751.

It is an arithmetic number, because the mean of its divisors is an integer number (68963241).

Almost surely, 2^229877465 is an apocalyptic number.

It is an amenable number.

229877465 is a deficient number, since it is larger than the sum of its proper divisors (45975499).

229877465 is an equidigital number, since it uses as much as digits as its factorization.

229877465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45975498.

The product of its digits is 1693440, while the sum is 50.

The square root of 229877465 is about 15161.7104905746. The cubic root of 229877465 is about 612.5837419862.

The spelling of 229877465 in words is "two hundred twenty-nine million, eight hundred seventy-seven thousand, four hundred sixty-five".