222225505 has 16 divisors (see below), whose sum is σ = 276629760. Its totient is φ = 171255168.

The previous prime is 222225491. The next prime is 222225529. The reversal of 222225505 is 505522222.

It is a cyclic number.

It is not a de Polignac number, because 222225505 - 2⁹ = 222224993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222225505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8616 + ... + 22774.

It is an arithmetic number, because the mean of its divisors is an integer number (17289360).

Almost surely, 2^222225505 is an apocalyptic number.

It is an amenable number.

222225505 is a deficient number, since it is larger than the sum of its proper divisors (54404255).

222225505 is a wasteful number, since it uses less digits than its factorization.

222225505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14280.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 222225505 is about 14907.2299573060. The cubic root of 222225505 is about 605.7098468642.

Adding to 222225505 its reverse (505522222), we get a palindrome (727747727).

The spelling of 222225505 in words is "two hundred twenty-two million, two hundred twenty-five thousand, five hundred five".