220084666 has 4 divisors (see below), whose sum is σ = 330127002. Its totient is φ = 110042332.

The previous prime is 220084637. The next prime is 220084681. The reversal of 220084666 is 666480022.

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

It can be written as a sum of positive squares in only one way, i.e., 167159041 + 52925625 = 12929^2 + 7275^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55021165 + ... + 55021168.

Almost surely, 2^220084666 is an apocalyptic number.

220084666 is a deficient number, since it is larger than the sum of its proper divisors (110042336).

220084666 is a wasteful number, since it uses less digits than its factorization.

220084666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110042335.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 220084666 is about 14835.2507899260. The cubic root of 220084666 is about 603.7585050533.

The spelling of 220084666 in words is "two hundred twenty million, eighty-four thousand, six hundred sixty-six".