222143 has 4 divisors (see below), whose sum is σ = 223488. Its totient is φ = 220800.

The previous prime is 222137. The next prime is 222149. The reversal of 222143 is 341222.

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

It is an interprime number because it is at equal distance from previous prime (222137) and next prime (222149).

It is a cyclic number.

It is not a de Polignac number, because 222143 - 2⁴ = 222127 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 (222149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383 + ... + 768.

It is an arithmetic number, because the mean of its divisors is an integer number (55872).

2²²²¹⁴³ is an apocalyptic number.

222143 is a deficient number, since it is larger than the sum of its proper divisors (1345).

222143 is a wasteful number, since it uses less digits than its factorization.

222143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344.

The product of its digits is 96, while the sum is 14.

The square root of 222143 is about 471.3204854449. The cubic root of 222143 is about 60.5634877557.

Adding to 222143 its reverse (341222), we get a palindrome (563365).

The spelling of 222143 in words is "two hundred twenty-two thousand, one hundred forty-three", and thus it is an iban number.