223144344444 has 48 divisors (see below), whose sum is σ = 599332563200. Its totient is φ = 63296850816.

The previous prime is 223144344431. The next prime is 223144344457. The reversal of 223144344444 is 444443441322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (223144344431) and next prime (223144344457).

It is a super-3 number, since 3×223144344444³ (a number of 35 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9544009 + ... + 9567360.

Almost surely, 2^223144344444 is an apocalyptic number.

It is an amenable number.

223144344444 is an abundant number, since it is smaller than the sum of its proper divisors (376188218756).

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

223144344444 is a wasteful number, since it uses less digits than its factorization.

223144344444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19111522 (or 19111520 counting only the distinct ones).

The product of its digits is 589824, while the sum is 39.

Adding to 223144344444 its reverse (444443441322), we get a palindrome (667587785766).

The spelling of 223144344444 in words is "two hundred twenty-three billion, one hundred forty-four million, three hundred forty-four thousand, four hundred forty-four".