235223220 has 48 divisors (see below), whose sum is σ = 697370688. Its totient is φ = 59036160.

The previous prime is 235223179. The next prime is 235223279. The reversal of 235223220 is 22322532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114286 + ... + 116325.

It is an arithmetic number, because the mean of its divisors is an integer number (14528556).

Almost surely, 2^235223220 is an apocalyptic number.

235223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235223220 is an abundant number, since it is smaller than the sum of its proper divisors (462147468).

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

235223220 is a wasteful number, since it uses less digits than its factorization.

235223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230640 (or 230638 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 235223220 is about 15336.9886222818. The cubic root of 235223220 is about 617.2959063693.

Adding to 235223220 its reverse (22322532), we get a palindrome (257545752).

The spelling of 235223220 in words is "two hundred thirty-five million, two hundred twenty-three thousand, two hundred twenty".