222004522 has 4 divisors (see below), whose sum is σ = 333006786. Its totient is φ = 111002260.

The previous prime is 222004507. The next prime is 222004543. The reversal of 222004522 is 225400222.

222004522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225400222 = 2 ⋅112700111.

It can be written as a sum of positive squares in only one way, i.e., 177662241 + 44342281 = 13329^2 + 6659^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222004522.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55501129 + ... + 55501132.

Almost surely, 2^222004522 is an apocalyptic number.

222004522 is a deficient number, since it is larger than the sum of its proper divisors (111002264).

222004522 is a wasteful number, since it uses less digits than its factorization.

222004522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111002263.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 222004522 is about 14899.8161733627. The cubic root of 222004522 is about 605.5090058741.

Adding to 222004522 its reverse (225400222), we get a palindrome (447404744).

The spelling of 222004522 in words is "two hundred twenty-two million, four thousand, five hundred twenty-two".