222463 has 4 divisors (see below), whose sum is σ = 223560. Its totient is φ = 221368.

The previous prime is 222461. The next prime is 222493. The reversal of 222463 is 364222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 364222 = 2 ⋅182111.

It is a cyclic number.

It is not a de Polignac number, because 222463 - 2¹ = 222461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222461) 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, 145 + ... + 682.

It is an arithmetic number, because the mean of its divisors is an integer number (55890).

2²²²⁴⁶³ is an apocalyptic number.

222463 is a deficient number, since it is larger than the sum of its proper divisors (1097).

222463 is an equidigital number, since it uses as much as digits as its factorization.

222463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its digits is 576, while the sum is 19.

The square root of 222463 is about 471.6598350506. The cubic root of 222463 is about 60.5925546445.

Adding to 222463 its reverse (364222), we get a palindrome (586685).

It can be divided in two parts, 22 and 2463, that added together give a triangular number (2485 = T₇₀).

The spelling of 222463 in words is "two hundred twenty-two thousand, four hundred sixty-three".