229690261 has 8 divisors (see below), whose sum is σ = 232873344. Its totient is φ = 226525200.

The previous prime is 229690231. The next prime is 229690273. The reversal of 229690261 is 162096922.

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 229690261 - 2¹⁷ = 229559189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 229690261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229690211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22240 + ... + 30886.

It is an arithmetic number, because the mean of its divisors is an integer number (29109168).

Almost surely, 2^229690261 is an apocalyptic number.

It is an amenable number.

229690261 is a deficient number, since it is larger than the sum of its proper divisors (3183083).

229690261 is a wasteful number, since it uses less digits than its factorization.

229690261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9011.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 229690261 is about 15155.5356553307. The cubic root of 229690261 is about 612.4174080499.

The spelling of 229690261 in words is "two hundred twenty-nine million, six hundred ninety thousand, two hundred sixty-one".