222320474 has 8 divisors (see below), whose sum is σ = 333721620. Its totient is φ = 111079936.

The previous prime is 222320473. The next prime is 222320479. The reversal of 222320474 is 474023222.

It can be written as a sum of positive squares in 2 ways, for example, as 189750625 + 32569849 = 13775^2 + 5707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222320473) 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, 36629 + ... + 42264.

Almost surely, 2^222320474 is an apocalyptic number.

222320474 is a deficient number, since it is larger than the sum of its proper divisors (111401146).

222320474 is a wasteful number, since it uses less digits than its factorization.

222320474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80304.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 222320474 is about 14910.4149506310. The cubic root of 222320474 is about 605.7961187889.

Adding to 222320474 its reverse (474023222), we get a palindrome (696343696).

The spelling of 222320474 in words is "two hundred twenty-two million, three hundred twenty thousand, four hundred seventy-four".