235222240 has 48 divisors (see below), whose sum is σ = 606236400. Its totient is φ = 85534720.

The previous prime is 235222157. The next prime is 235222241. The reversal of 235222240 is 42222532.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235222241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65065 + ... + 68584.

It is an arithmetic number, because the mean of its divisors is an integer number (12629925).

Almost surely, 2^235222240 is an apocalyptic number.

235222240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235222240 is an abundant number, since it is smaller than the sum of its proper divisors (371014160).

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

235222240 is a wasteful number, since it uses less digits than its factorization.

235222240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133675 (or 133667 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 235222240 is about 15336.9566733430. The cubic root of 235222240 is about 617.2950490973.

Adding to 235222240 its reverse (42222532), we get a palindrome (277444772).

The spelling of 235222240 in words is "two hundred thirty-five million, two hundred twenty-two thousand, two hundred forty".