222223522 has 8 divisors (see below), whose sum is σ = 333398556. Its totient is φ = 111090672.

The previous prime is 222223501. The next prime is 222223571. The reversal of 222223522 is 225322222.

It can be written as a sum of positive squares in 2 ways, for example, as 193182201 + 29041321 = 13899^2 + 5389^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 222223493 and 222223502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15088 + ... + 25924.

Almost surely, 2^222223522 is an apocalyptic number.

222223522 is a deficient number, since it is larger than the sum of its proper divisors (111175034).

222223522 is a wasteful number, since it uses less digits than its factorization.

222223522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21092.

The product of its digits is 1920, while the sum is 22.

The square root of 222223522 is about 14907.1634458069. The cubic root of 222223522 is about 605.7080452016.

Adding to 222223522 its reverse (225322222), we get a palindrome (447545744).

The spelling of 222223522 in words is "two hundred twenty-two million, two hundred twenty-three thousand, five hundred twenty-two".