229361857825 has 6 divisors (see below), whose sum is σ = 284408703734. Its totient is φ = 183489486240.

The previous prime is 229361857811. The next prime is 229361857841. The reversal of 229361857825 is 528758163922.

It can be written as a sum of positive squares in 3 ways, for example, as 89434849 + 229272422976 = 9457^2 + 478824^2 .

It is not a de Polignac number, because 229361857825 - 2²¹ = 229359760673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 229361857825.

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, 4587237132 + ... + 4587237181.

Almost surely, 2^229361857825 is an apocalyptic number.

229361857825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

229361857825 is a deficient number, since it is larger than the sum of its proper divisors (55046845909).

229361857825 is an equidigital number, since it uses as much as digits as its factorization.

229361857825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9174474323 (or 9174474318 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 58.

The spelling of 229361857825 in words is "two hundred twenty-nine billion, three hundred sixty-one million, eight hundred fifty-seven thousand, eight hundred twenty-five".