236052221 has 2 divisors, whose sum is σ = 236052222. Its totient is φ = 236052220.

The previous prime is 236052217. The next prime is 236052239. The reversal of 236052221 is 122250632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190826596 + 45225625 = 13814^2 + 6725^2 .

It is a cyclic number.

It is not a de Polignac number, because 236052221 - 2² = 236052217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (236052521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118026110 + 118026111.

It is an arithmetic number, because the mean of its divisors is an integer number (118026111).

Almost surely, 2^236052221 is an apocalyptic number.

It is an amenable number.

236052221 is a deficient number, since it is larger than the sum of its proper divisors (1).

236052221 is an equidigital number, since it uses as much as digits as its factorization.

236052221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 236052221 is about 15363.9910505051. The cubic root of 236052221 is about 618.0202380933.

The spelling of 236052221 in words is "two hundred thirty-six million, fifty-two thousand, two hundred twenty-one".