229210978025 has 6 divisors (see below), whose sum is σ = 284221612782. Its totient is φ = 183368782400.

The previous prime is 229210977907. The next prime is 229210978039. The reversal of 229210978025 is 520879012922.

It can be written as a sum of positive squares in 3 ways, for example, as 3482416144 + 225728561881 = 59012^2 + 475109^2 .

It is not a de Polignac number, because 229210978025 - 2⁸ = 229210977769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4584219536 + ... + 4584219585.

It is an arithmetic number, because the mean of its divisors is an integer number (47370268797).

Almost surely, 2^229210978025 is an apocalyptic number.

229210978025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

229210978025 is a deficient number, since it is larger than the sum of its proper divisors (55010634757).

229210978025 is an equidigital number, since it uses as much as digits as its factorization.

229210978025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168439131 (or 9168439126 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 229210978025 in words is "two hundred twenty-nine billion, two hundred ten million, nine hundred seventy-eight thousand, twenty-five".