229899999761 has 4 divisors (see below), whose sum is σ = 229921995492. Its totient is φ = 229878004032.

The previous prime is 229899999751. The next prime is 229899999821. The reversal of 229899999761 is 167999998922.

It is a happy number.

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 96780099025 + 133119900736 = 311095^2 + 364856^2 .

It is a cyclic number.

It is not a de Polignac number, because 229899999761 - 2¹⁴ = 229899983377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (229899999751) 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, 10982180 + ... + 11003093.

It is an arithmetic number, because the mean of its divisors is an integer number (57480498873).

Almost surely, 2^229899999761 is an apocalyptic number.

It is an amenable number.

229899999761 is a deficient number, since it is larger than the sum of its proper divisors (21995731).

229899999761 is a wasteful number, since it uses less digits than its factorization.

229899999761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21995730.

The product of its digits is 714256704, while the sum is 80.

The spelling of 229899999761 in words is "two hundred twenty-nine billion, eight hundred ninety-nine million, nine hundred ninety-nine thousand, seven hundred sixty-one".