222145606 has 32 divisors (see below), whose sum is σ = 356843520. Its totient is φ = 103420800.

The previous prime is 222145603. The next prime is 222145607. The reversal of 222145606 is 606541222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222145603) 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, 921646 + ... + 921886.

It is an arithmetic number, because the mean of its divisors is an integer number (11151360).

Almost surely, 2^222145606 is an apocalyptic number.

222145606 is a deficient number, since it is larger than the sum of its proper divisors (134697914).

222145606 is a wasteful number, since it uses less digits than its factorization.

222145606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 222145606 is about 14904.5498422462. The cubic root of 222145606 is about 605.6372458183.

Adding to 222145606 its reverse (606541222), we get a palindrome (828686828).

The spelling of 222145606 in words is "two hundred twenty-two million, one hundred forty-five thousand, six hundred six".