207222066 has 12 divisors (see below), whose sum is σ = 448981182. Its totient is φ = 69074016.

The previous prime is 207222053. The next prime is 207222079. The reversal of 207222066 is 660222702.

It is an interprime number because it is at equal distance from previous prime (207222053) and next prime (207222079).

It can be written as a sum of positive squares in only one way, i.e., 110691441 + 96530625 = 10521^2 + 9825^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5756151 + ... + 5756186.

Almost surely, 2^207222066 is an apocalyptic number.

207222066 is an abundant number, since it is smaller than the sum of its proper divisors (241759116).

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

207222066 is a wasteful number, since it uses less digits than its factorization.

207222066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11512345 (or 11512342 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 207222066 is about 14395.2098282727. The cubic root of 207222066 is about 591.7596285680.

Adding to 207222066 its reverse (660222702), we get a palindrome (867444768).

The spelling of 207222066 in words is "two hundred seven million, two hundred twenty-two thousand, sixty-six".