222001143 has 32 divisors (see below), whose sum is σ = 370309632. Its totient is φ = 115171200.

The previous prime is 222001141. The next prime is 222001159. The reversal of 222001143 is 341100222.

It is not a de Polignac number, because 222001143 - 2¹ = 222001141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9988 + ... + 23318.

It is an arithmetic number, because the mean of its divisors is an integer number (11572176).

Almost surely, 2^222001143 is an apocalyptic number.

222001143 is a deficient number, since it is larger than the sum of its proper divisors (148308489).

222001143 is a wasteful number, since it uses less digits than its factorization.

222001143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13415.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 222001143 is about 14899.7027822705. The cubic root of 222001143 is about 605.5059338266.

Adding to 222001143 its reverse (341100222), we get a palindrome (563101365).

The spelling of 222001143 in words is "two hundred twenty-two million, one thousand, one hundred forty-three".