229640807 has 16 divisors (see below), whose sum is σ = 254218272. Its totient is φ = 205701120.

The previous prime is 229640791. The next prime is 229640813. The reversal of 229640807 is 708046922.

It is a cyclic number.

It is not a de Polignac number, because 229640807 - 2⁴ = 229640791 is a prime.

It is a super-2 number, since 2×229640807² = 105469800479222498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229640207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397703 + ... + 398279.

It is an arithmetic number, because the mean of its divisors is an integer number (15888642).

Almost surely, 2^229640807 is an apocalyptic number.

229640807 is a deficient number, since it is larger than the sum of its proper divisors (24577465).

229640807 is a wasteful number, since it uses less digits than its factorization.

229640807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 229640807 is about 15153.9040184370. The cubic root of 229640807 is about 612.3734522400.

The spelling of 229640807 in words is "two hundred twenty-nine million, six hundred forty thousand, eight hundred seven".