229547801197225 has 81 divisors (see below), whose sum is σ = 339023999700567. Its totient is φ = 153728371550880.

The previous prime is 229547801197217. The next prime is 229547801197301. The reversal of 229547801197225 is 522791108745922.

The square root of 229547801197225 is 15150835.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 82637208431001 + 146910592766224 = 9090501^2 + 12120668^2 .

It is not a de Polignac number, because 229547801197225 - 2³ = 229547801197217 is a prime.

It is a super-2 number, since 2×229547801197225² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 22802001642 + ... + 22802011708.

Almost surely, 2^{229547801197225} is an apocalyptic number.

229547801197225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

229547801197225 is the 15150835-th square number.

229547801197225 is the 7575418-th centered octagonal number.

It is an amenable number.

229547801197225 is a deficient number, since it is larger than the sum of its proper divisors (109476198503342).

229547801197225 is an frugal number, since it uses more digits than its factorization.

229547801197225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20244 (or 10122 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 64.

The spelling of 229547801197225 in words is "two hundred twenty-nine trillion, five hundred forty-seven billion, eight hundred one million, one hundred ninety-seven thousand, two hundred twenty-five".