223112855444 has 12 divisors (see below), whose sum is σ = 391857056724. Its totient is φ = 111153696384.

The previous prime is 223112855437. The next prime is 223112855447. The reversal of 223112855444 is 444558211322.

It can be written as a sum of positive squares in 2 ways, for example, as 154164599044 + 68948256400 = 392638^2 + 262580^2 .

It is a super-3 number, since 3×223112855444³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223112855447) 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, 100681589 + ... + 100683804.

It is an arithmetic number, because the mean of its divisors is an integer number (32654754727).

Almost surely, 2^223112855444 is an apocalyptic number.

It is an amenable number.

223112855444 is a deficient number, since it is larger than the sum of its proper divisors (168744201280).

223112855444 is a wasteful number, since it uses less digits than its factorization.

223112855444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201365674 (or 201365672 counting only the distinct ones).

The product of its digits is 307200, while the sum is 41.

The spelling of 223112855444 in words is "two hundred twenty-three billion, one hundred twelve million, eight hundred fifty-five thousand, four hundred forty-four".