235222139 has 2 divisors, whose sum is σ = 235222140. Its totient is φ = 235222138.

The previous prime is 235222093. The next prime is 235222153. The reversal of 235222139 is 931222532.

235222139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 235222139 - 2²⁴ = 218444923 is a prime.

It is not a weakly prime, because it can be changed into another prime (235222739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117611069 + 117611070.

It is an arithmetic number, because the mean of its divisors is an integer number (117611070).

Almost surely, 2^235222139 is an apocalyptic number.

235222139 is a deficient number, since it is larger than the sum of its proper divisors (1).

235222139 is an equidigital number, since it uses as much as digits as its factorization.

235222139 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 235222139 is about 15336.9533806425. The cubic root of 235222139 is about 617.2949607457.

The spelling of 235222139 in words is "two hundred thirty-five million, two hundred twenty-two thousand, one hundred thirty-nine".