220006278 has 12 divisors (see below), whose sum is σ = 476680308. Its totient is φ = 73335420.

The previous prime is 220006273. The next prime is 220006327. The reversal of 220006278 is 872600022.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220006273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6111268 + ... + 6111303.

It is an arithmetic number, because the mean of its divisors is an integer number (39723359).

Almost surely, 2^220006278 is an apocalyptic number.

220006278 is an abundant number, since it is smaller than the sum of its proper divisors (256674030).

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

220006278 is a wasteful number, since it uses less digits than its factorization.

220006278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12222579 (or 12222576 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 220006278 is about 14832.6086040184. The cubic root of 220006278 is about 603.6868159127.

The spelling of 220006278 in words is "two hundred twenty million, six thousand, two hundred seventy-eight".