232202221 has 2 divisors, whose sum is σ = 232202222. Its totient is φ = 232202220.

The previous prime is 232202209. The next prime is 232202233. The reversal of 232202221 is 122202232.

It is a balanced prime because it is at equal distance from previous prime (232202209) and next prime (232202233).

It can be written as a sum of positive squares in only one way, i.e., 224700100 + 7502121 = 14990^2 + 2739^2 .

It is a cyclic number.

It is not a de Polignac number, because 232202221 - 2⁹ = 232201709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232202195 and 232202204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232202281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116101110 + 116101111.

It is an arithmetic number, because the mean of its divisors is an integer number (116101111).

Almost surely, 2^232202221 is an apocalyptic number.

It is an amenable number.

232202221 is a deficient number, since it is larger than the sum of its proper divisors (1).

232202221 is an equidigital number, since it uses as much as digits as its factorization.

232202221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 232202221 is about 15238.1829953574. The cubic root of 232202221 is about 614.6418440322.

Adding to 232202221 its reverse (122202232), we get a palindrome (354404453).

The spelling of 232202221 in words is "two hundred thirty-two million, two hundred two thousand, two hundred twenty-one".