222005045 has 16 divisors (see below), whose sum is σ = 272175552. Its totient is φ = 173796480.

The previous prime is 222005041. The next prime is 222005051. The reversal of 222005045 is 540500222.

It is not a de Polignac number, because 222005045 - 2² = 222005041 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 (222005041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45494 + ... + 50136.

It is an arithmetic number, because the mean of its divisors is an integer number (17010972).

Almost surely, 2^222005045 is an apocalyptic number.

It is an amenable number.

222005045 is a deficient number, since it is larger than the sum of its proper divisors (50170507).

222005045 is a wasteful number, since it uses less digits than its factorization.

222005045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 222005045 is about 14899.8337239044. The cubic root of 222005045 is about 605.5094813614.

Adding to 222005045 its reverse (540500222), we get a palindrome (762505267).

The spelling of 222005045 in words is "two hundred twenty-two million, five thousand, forty-five".