222444463 has 4 divisors (see below), whose sum is σ = 222830560. Its totient is φ = 222058368.

The previous prime is 222444451. The next prime is 222444479. The reversal of 222444463 is 364444222.

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

It is a cyclic number.

It is not a de Polignac number, because 222444463 - 2⁹ = 222443951 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 (222444433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192183 + ... + 193336.

It is an arithmetic number, because the mean of its divisors is an integer number (55707640).

Almost surely, 2^222444463 is an apocalyptic number.

222444463 is a deficient number, since it is larger than the sum of its proper divisors (386097).

222444463 is an equidigital number, since it uses as much as digits as its factorization.

222444463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386096.

The product of its digits is 36864, while the sum is 31.

The square root of 222444463 is about 14914.5721695260. The cubic root of 222444463 is about 605.9087161497.

Adding to 222444463 its reverse (364444222), we get a palindrome (586888685).

The spelling of 222444463 in words is "two hundred twenty-two million, four hundred forty-four thousand, four hundred sixty-three".