235642242 has 32 divisors (see below), whose sum is σ = 517425984. Its totient is φ = 70948800.

The previous prime is 235642241. The next prime is 235642243. The reversal of 235642242 is 242246532.

It is an interprime number because it is at equal distance from previous prime (235642241) and next prime (235642243).

It is not an unprimeable number, because it can be changed into a prime (235642241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009 + ... + 21732.

It is an arithmetic number, because the mean of its divisors is an integer number (16169562).

Almost surely, 2^235642242 is an apocalyptic number.

235642242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

235642242 is an abundant number, since it is smaller than the sum of its proper divisors (281783742).

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

235642242 is a wasteful number, since it uses less digits than its factorization.

235642242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22914.

The product of its digits is 23040, while the sum is 30.

The square root of 235642242 is about 15350.6430484198. The cubic root of 235642242 is about 617.6622351784.

Adding to 235642242 its reverse (242246532), we get a palindrome (477888774).

The spelling of 235642242 in words is "two hundred thirty-five million, six hundred forty-two thousand, two hundred forty-two".