235666422 has 20 divisors (see below), whose sum is σ = 528067716. Its totient is φ = 78555420.

The previous prime is 235666421. The next prime is 235666423. The reversal of 235666422 is 224666532.

It is an interprime number because it is at equal distance from previous prime (235666421) and next prime (235666423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235666421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 727204 + ... + 727527.

Almost surely, 2^235666422 is an apocalyptic number.

235666422 is an abundant number, since it is smaller than the sum of its proper divisors (292401294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

235666422 is a wasteful number, since it uses less digits than its factorization.

235666422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454745 (or 1454736 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 235666422 is about 15351.4306173724. The cubic root of 235666422 is about 617.6833612180.

The spelling of 235666422 in words is "two hundred thirty-five million, six hundred sixty-six thousand, four hundred twenty-two".