223340442400 has 72 divisors (see below), whose sum is σ = 562817977344. Its totient is φ = 86454355200.

The previous prime is 223340442379. The next prime is 223340442461. The reversal of 223340442400 is 4244043322.

It is a happy number.

It is a super-2 number, since 2×223340442400² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4478032 + ... + 4527631.

It is an arithmetic number, because the mean of its divisors is an integer number (7816916352).

Almost surely, 2^223340442400 is an apocalyptic number.

223340442400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223340442400 is an abundant number, since it is smaller than the sum of its proper divisors (339477534944).

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

223340442400 is a wasteful number, since it uses less digits than its factorization.

223340442400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9005714 (or 9005701 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 223340442400 its reverse (4244043322), we get a palindrome (227584485722).

The spelling of 223340442400 in words is "two hundred twenty-three billion, three hundred forty million, four hundred forty-two thousand, four hundred".