223142224 has 40 divisors (see below), whose sum is σ = 439425000. Its totient is φ = 109756416.

The previous prime is 223142207. The next prime is 223142233. The reversal of 223142224 is 422241322.

It can be written as a sum of positive squares in 4 ways, for example, as 34574400 + 188567824 = 5880^2 + 13732^2 .

It is a super-3 number, since 3×223142224³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223142195 and 223142204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496752 + ... + 497200.

It is an arithmetic number, because the mean of its divisors is an integer number (10985625).

Almost surely, 2^223142224 is an apocalyptic number.

It is an amenable number.

223142224 is a deficient number, since it is larger than the sum of its proper divisors (216282776).

223142224 is a wasteful number, since it uses less digits than its factorization.

223142224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 889 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 223142224 is about 14937.9457757752. The cubic root of 223142224 is about 606.5415904985.

Adding to 223142224 its reverse (422241322), we get a palindrome (645383546).

The spelling of 223142224 in words is "two hundred twenty-three million, one hundred forty-two thousand, two hundred twenty-four".