233219840 has 72 divisors (see below), whose sum is σ = 638463840. Its totient is φ = 79958016.

The previous prime is 233219837. The next prime is 233219863. The reversal of 233219840 is 48912332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 233219797 and 233219806.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4055 + ... + 21974.

Almost surely, 2^233219840 is an apocalyptic number.

233219840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233219840 is an abundant number, since it is smaller than the sum of its proper divisors (405244000).

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

233219840 is an equidigital number, since it uses as much as digits as its factorization.

233219840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26057 (or 26043 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 233219840 is about 15271.5369233093. The cubic root of 233219840 is about 615.5384184799.

The spelling of 233219840 in words is "two hundred thirty-three million, two hundred nineteen thousand, eight hundred forty".