229807771 has 4 divisors (see below), whose sum is σ = 229838632. Its totient is φ = 229776912.

The previous prime is 229807757. The next prime is 229807807. The reversal of 229807771 is 177708922.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 229807771 - 2¹³ = 229799579 is a prime.

It is a super-2 number, since 2×229807771² = 105623223223976882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229807741) 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, 3400 + ... + 21706.

It is an arithmetic number, because the mean of its divisors is an integer number (57459658).

Almost surely, 2^229807771 is an apocalyptic number.

229807771 is a deficient number, since it is larger than the sum of its proper divisors (30861).

229807771 is a wasteful number, since it uses less digits than its factorization.

229807771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30860.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 229807771 is about 15159.4119608908. The cubic root of 229807771 is about 612.5218282378.

The spelling of 229807771 in words is "two hundred twenty-nine million, eight hundred seven thousand, seven hundred seventy-one".