223020223400 has 48 divisors (see below), whose sum is σ = 558408335100. Its totient is φ = 82345927680.

The previous prime is 223020223337. The next prime is 223020223451. The reversal of 223020223400 is 4322020322.

223020223400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 59061636676 + 163958586724 = 243026^2 + 404918^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42885905 + ... + 42891104.

Almost surely, 2^223020223400 is an apocalyptic number.

223020223400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223020223400 is an abundant number, since it is smaller than the sum of its proper divisors (335388111700).

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

223020223400 is a wasteful number, since it uses less digits than its factorization.

223020223400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85777038 (or 85777029 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 223020223400 its reverse (4322020322), we get a palindrome (227342243722).

The spelling of 223020223400 in words is "two hundred twenty-three billion, twenty million, two hundred twenty-three thousand, four hundred".