235229081 has 4 divisors (see below), whose sum is σ = 235390464. Its totient is φ = 235067700.

The previous prime is 235229077. The next prime is 235229083. The reversal of 235229081 is 180922532.

It is a happy number.

235229081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 235229081 - 2² = 235229077 is a prime.

It is a super-2 number, since 2×235229081² = 110665441096209122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235229083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78485 + ... + 81426.

It is an arithmetic number, because the mean of its divisors is an integer number (58847616).

Almost surely, 2^235229081 is an apocalyptic number.

It is an amenable number.

235229081 is a deficient number, since it is larger than the sum of its proper divisors (161383).

235229081 is a wasteful number, since it uses less digits than its factorization.

235229081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161382.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 235229081 is about 15337.1796951069. The cubic root of 235229081 is about 617.3010333309.

The spelling of 235229081 in words is "two hundred thirty-five million, two hundred twenty-nine thousand, eighty-one".