222065634 has 16 divisors (see below), whose sum is σ = 507578688. Its totient is φ = 63447312.

The previous prime is 222065609. The next prime is 222065639. The reversal of 222065634 is 436560222.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222065639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2643597 + ... + 2643680.

It is an arithmetic number, because the mean of its divisors is an integer number (31723668).

Almost surely, 2^222065634 is an apocalyptic number.

222065634 is an abundant number, since it is smaller than the sum of its proper divisors (285513054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222065634 is a wasteful number, since it uses less digits than its factorization.

222065634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287289.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 222065634 is about 14901.8667958078. The cubic root of 222065634 is about 605.5645610060.

The spelling of 222065634 in words is "two hundred twenty-two million, sixty-five thousand, six hundred thirty-four".