229090465 has 32 divisors (see below), whose sum is σ = 298598400. Its totient is φ = 168231360.

The previous prime is 229090439. The next prime is 229090489. The reversal of 229090465 is 564090922.

229090465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-229090465 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 637956 + ... + 638314.

It is an arithmetic number, because the mean of its divisors is an integer number (9331200).

Almost surely, 2^229090465 is an apocalyptic number.

It is an amenable number.

229090465 is a deficient number, since it is larger than the sum of its proper divisors (69507935).

229090465 is a wasteful number, since it uses less digits than its factorization.

229090465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 229090465 is about 15135.7347030133. The cubic root of 229090465 is about 611.8838696662.

The spelling of 229090465 in words is "two hundred twenty-nine million, ninety thousand, four hundred sixty-five".