222143223 has 16 divisors (see below), whose sum is σ = 309505536. Its totient is φ = 141456480.

The previous prime is 222143221. The next prime is 222143237. The reversal of 222143223 is 322341222.

It is not a de Polignac number, because 222143223 - 2¹ = 222143221 is a prime.

It is a super-2 number, since 2×222143223² = 98695223049655458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222143223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222143221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58678 + ... + 62348.

It is an arithmetic number, because the mean of its divisors is an integer number (19344096).

Almost surely, 2^222143223 is an apocalyptic number.

222143223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

222143223 is a deficient number, since it is larger than the sum of its proper divisors (87362313).

222143223 is a wasteful number, since it uses less digits than its factorization.

222143223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574.

The product of its digits is 1152, while the sum is 21.

The square root of 222143223 is about 14904.4698999998. The cubic root of 222143223 is about 605.6350802136.

Adding to 222143223 its reverse (322341222), we get a palindrome (544484445).

The spelling of 222143223 in words is "two hundred twenty-two million, one hundred forty-three thousand, two hundred twenty-three".