52666222 has 16 divisors (see below), whose sum is σ = 92488032. Its totient is φ = 22020480.

The previous prime is 52666193. The next prime is 52666261. The reversal of 52666222 is 22266625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45303 + ... + 46450.

It is an arithmetic number, because the mean of its divisors is an integer number (5780502).

Almost surely, 2^52666222 is an apocalyptic number.

52666222 is a deficient number, since it is larger than the sum of its proper divisors (39821810).

52666222 is a wasteful number, since it uses less digits than its factorization.

52666222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91803.

The product of its digits is 17280, while the sum is 31.

The square root of 52666222 is about 7257.1497159698. The cubic root of 52666222 is about 374.8383825042.

The spelling of 52666222 in words is "fifty-two million, six hundred sixty-six thousand, two hundred twenty-two".