223533420 has 48 divisors (see below), whose sum is σ = 682795008. Its totient is φ = 54189760.

The previous prime is 223533419. The next prime is 223533433. The reversal of 223533420 is 24335322.

223533420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 168684 + ... + 170003.

It is an arithmetic number, because the mean of its divisors is an integer number (14224896).

Almost surely, 2^223533420 is an apocalyptic number.

223533420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223533420 is an abundant number, since it is smaller than the sum of its proper divisors (459261588).

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

223533420 is a wasteful number, since it uses less digits than its factorization.

223533420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338710 (or 338708 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 223533420 is about 14951.0340779493. The cubic root of 223533420 is about 606.8958311202.

Adding to 223533420 its reverse (24335322), we get a palindrome (247868742).

The spelling of 223533420 in words is "two hundred twenty-three million, five hundred thirty-three thousand, four hundred twenty".