223400044 has 24 divisors (see below), whose sum is σ = 448227360. Its totient is φ = 95437056.

The previous prime is 223400041. The next prime is 223400053. The reversal of 223400044 is 440004322.

It is a junction number, because it is equal to n+sod(n) for n = 223399994 and 223400030.

It is not an unprimeable number, because it can be changed into a prime (223400041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3709 + ... + 21460.

It is an arithmetic number, because the mean of its divisors is an integer number (18676140).

Almost surely, 2^223400044 is an apocalyptic number.

It is an amenable number.

223400044 is an abundant number, since it is smaller than the sum of its proper divisors (224827316).

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

223400044 is a wasteful number, since it uses less digits than its factorization.

223400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25497 (or 25495 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 223400044 is about 14946.5729851361. The cubic root of 223400044 is about 606.7751013087.

Adding to 223400044 its reverse (440004322), we get a palindrome (663404366).

The spelling of 223400044 in words is "two hundred twenty-three million, four hundred thousand, forty-four".