222042607 has 4 divisors (see below), whose sum is σ = 233729080. Its totient is φ = 210356136.

The previous prime is 222042581. The next prime is 222042619. The reversal of 222042607 is 706240222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222042607 - 2⁷ = 222042479 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 (222042637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5843208 + ... + 5843245.

It is an arithmetic number, because the mean of its divisors is an integer number (58432270).

Almost surely, 2^222042607 is an apocalyptic number.

222042607 is a deficient number, since it is larger than the sum of its proper divisors (11686473).

222042607 is a wasteful number, since it uses less digits than its factorization.

222042607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11686472.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 222042607 is about 14901.0941544572. The cubic root of 222042607 is about 605.5436290306.

Adding to 222042607 its reverse (706240222), we get a palindrome (928282829).

The spelling of 222042607 in words is "two hundred twenty-two million, forty-two thousand, six hundred seven".