222444493 has 4 divisors (see below), whose sum is σ = 222529788. Its totient is φ = 222359200.

The previous prime is 222444479. The next prime is 222444503. The reversal of 222444493 is 394444222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 75986089 + 146458404 = 8717^2 + 12102^2 .

It is a cyclic number.

It is not a de Polignac number, because 222444493 - 2²⁵ = 188890061 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, 38608 + ... + 43993.

It is an arithmetic number, because the mean of its divisors is an integer number (55632447).

Almost surely, 2^222444493 is an apocalyptic number.

It is an amenable number.

222444493 is a deficient number, since it is larger than the sum of its proper divisors (85295).

222444493 is an equidigital number, since it uses as much as digits as its factorization.

222444493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85294.

The product of its digits is 55296, while the sum is 34.

The square root of 222444493 is about 14914.5731752538. The cubic root of 222444493 is about 605.9087433883.

The spelling of 222444493 in words is "two hundred twenty-two million, four hundred forty-four thousand, four hundred ninety-three".