235052221 has 8 divisors (see below), whose sum is σ = 249089400. Its totient is φ = 221410560.

The previous prime is 235052219. The next prime is 235052227. The reversal of 235052221 is 122250532.

235052221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 21483225 + 213568996 = 4635^2 + 14614^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 235052221 - 2¹ = 235052219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 235052192 and 235052201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235052227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97656 + ... + 100033.

It is an arithmetic number, because the mean of its divisors is an integer number (31136175).

Almost surely, 2^235052221 is an apocalyptic number.

It is an amenable number.

235052221 is a deficient number, since it is larger than the sum of its proper divisors (14037179).

235052221 is a wasteful number, since it uses less digits than its factorization.

235052221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197759.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 235052221 is about 15331.4128833581. The cubic root of 235052221 is about 617.1462859764.

The spelling of 235052221 in words is "two hundred thirty-five million, fifty-two thousand, two hundred twenty-one".