222250143 has 4 divisors (see below), whose sum is σ = 296333528. Its totient is φ = 148166760.

The previous prime is 222250141. The next prime is 222250151. The reversal of 222250143 is 341052222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 222250143 - 2¹ = 222250141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222250141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37041688 + ... + 37041693.

It is an arithmetic number, because the mean of its divisors is an integer number (74083382).

Almost surely, 2^222250143 is an apocalyptic number.

222250143 is a deficient number, since it is larger than the sum of its proper divisors (74083385).

222250143 is an equidigital number, since it uses as much as digits as its factorization.

222250143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74083384.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 222250143 is about 14908.0563119409. The cubic root of 222250143 is about 605.7322309252.

The spelling of 222250143 in words is "two hundred twenty-two million, two hundred fifty thousand, one hundred forty-three".