223340203444 has 12 divisors (see below), whose sum is σ = 407838632544. Its totient is φ = 106814879864.

The previous prime is 223340203441. The next prime is 223340203477. The reversal of 223340203444 is 444302043322.

It is a happy number.

It is a super-2 number, since 2×223340203444² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223340203441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213805362 + ... + 1213805545.

It is an arithmetic number, because the mean of its divisors is an integer number (33986552712).

Almost surely, 2^223340203444 is an apocalyptic number.

It is an amenable number.

223340203444 is a deficient number, since it is larger than the sum of its proper divisors (184498429100).

223340203444 is a wasteful number, since it uses less digits than its factorization.

223340203444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427610934 (or 2427610932 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 223340203444 its reverse (444302043322), we get a palindrome (667642246766).

The spelling of 223340203444 in words is "two hundred twenty-three billion, three hundred forty million, two hundred three thousand, four hundred forty-four".