232021225 has 6 divisors (see below), whose sum is σ = 287706350. Its totient is φ = 185616960.

The previous prime is 232021213. The next prime is 232021241. The reversal of 232021225 is 522120232.

It can be written as a sum of positive squares in 3 ways, for example, as 3164841 + 228856384 = 1779^2 + 15128^2 .

It is not a de Polignac number, because 232021225 - 2⁹ = 232020713 is a prime.

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, 4640400 + ... + 4640449.

Almost surely, 2^232021225 is an apocalyptic number.

232021225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232021225 is a deficient number, since it is larger than the sum of its proper divisors (55685125).

232021225 is an equidigital number, since it uses as much as digits as its factorization.

232021225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9280859 (or 9280854 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 232021225 is about 15232.2429405521. The cubic root of 232021225 is about 614.4821030498.

Adding to 232021225 its reverse (522120232), we get a palindrome (754141457).

The spelling of 232021225 in words is "two hundred thirty-two million, twenty-one thousand, two hundred twenty-five".