229725099 has 8 divisors (see below), whose sum is σ = 340333520. Its totient is φ = 153150048.

The previous prime is 229725079. The next prime is 229725107. The reversal of 229725099 is 990527922.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-229725099 is a prime.

It is a super-2 number, since 2×229725099² = 105547242221119602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229725079) 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, 4254142 + ... + 4254195.

It is an arithmetic number, because the mean of its divisors is an integer number (42541690).

Almost surely, 2^229725099 is an apocalyptic number.

229725099 is a deficient number, since it is larger than the sum of its proper divisors (110608421).

229725099 is an equidigital number, since it uses as much as digits as its factorization.

229725099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8508346 (or 8508340 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 229725099 is about 15156.6849607690. The cubic root of 229725099 is about 612.4483690478.

The spelling of 229725099 in words is "two hundred twenty-nine million, seven hundred twenty-five thousand, ninety-nine".