667222263 has 12 divisors (see below), whose sum is σ = 976968720. Its totient is φ = 438721056.

The previous prime is 667222243. The next prime is 667222267. The reversal of 667222263 is 362222766.

667222263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 667222263 - 2¹⁴ = 667205879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667222267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507123 + ... + 508436.

It is an arithmetic number, because the mean of its divisors is an integer number (81414060).

Almost surely, 2^667222263 is an apocalyptic number.

667222263 is a deficient number, since it is larger than the sum of its proper divisors (309746457).

667222263 is a wasteful number, since it uses less digits than its factorization.

667222263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015638 (or 1015635 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 667222263 is about 25830.6458107419. The cubic root of 667222263 is about 873.8230764032.

The spelling of 667222263 in words is "six hundred sixty-seven million, two hundred twenty-two thousand, two hundred sixty-three".