235312229 has 2 divisors, whose sum is σ = 235312230. Its totient is φ = 235312228.

The previous prime is 235312223. The next prime is 235312277. The reversal of 235312229 is 922213532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125104225 + 110208004 = 11185^2 + 10498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235312229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235312223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117656114 + 117656115.

It is an arithmetic number, because the mean of its divisors is an integer number (117656115).

Almost surely, 2^235312229 is an apocalyptic number.

It is an amenable number.

235312229 is a deficient number, since it is larger than the sum of its proper divisors (1).

235312229 is an equidigital number, since it uses as much as digits as its factorization.

235312229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 235312229 is about 15339.8901234657. The cubic root of 235312229 is about 617.3737586074.

The spelling of 235312229 in words is "two hundred thirty-five million, three hundred twelve thousand, two hundred twenty-nine".