223304020233444 has 18 divisors (see below), whose sum is σ = 564462940034630. Its totient is φ = 74434673411136.

The previous prime is 223304020233391. The next prime is 223304020233461. The reversal of 223304020233444 is 444332020403322.

223304020233444 is a `hidden beast` number, since 2 + 2 + 3 + 3 + 0 + 4 + 0 + 202 + 3 + 3 + 444 = 666.

It can be written as a sum of positive squares in only one way, i.e., 222639583316544 + 664436916900 = 14921112^2 + 815130^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×223304020233444² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6202889450929 = 223304020233444 / (2 + 2 + 3 + 3 + 0 + 4 + 0 + 2 + 0 + 2 + 3 + 3 + 4 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 223304020233399 and 223304020233408.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3101444725429 + ... + 3101444725500.

Almost surely, 2^{223304020233444} is an apocalyptic number.

It is an amenable number.

223304020233444 is an abundant number, since it is smaller than the sum of its proper divisors (341158919801186).

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

223304020233444 is a wasteful number, since it uses less digits than its factorization.

223304020233444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6202889450939 (or 6202889450934 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 36.

Adding to 223304020233444 its reverse (444332020403322), we get a palindrome (667636040636766).

The spelling of 223304020233444 in words is "two hundred twenty-three trillion, three hundred four billion, twenty million, two hundred thirty-three thousand, four hundred forty-four".