220822686 has 40 divisors (see below), whose sum is σ = 565495920. Its totient is φ = 63091872.

The previous prime is 220822681. The next prime is 220822699. The reversal of 220822686 is 686228022.

It is a self number, because there is not a number n which added to its sum of digits gives 220822686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220822681) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 96231 + ... + 98498.

It is an arithmetic number, because the mean of its divisors is an integer number (14137398).

Almost surely, 2^220822686 is an apocalyptic number.

220822686 is an abundant number, since it is smaller than the sum of its proper divisors (344673234).

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

220822686 is a wasteful number, since it uses less digits than its factorization.

220822686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194750 (or 194741 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 220822686 is about 14860.1038354380. The cubic root of 220822686 is about 604.4326224555.

The spelling of 220822686 in words is "two hundred twenty million, eight hundred twenty-two thousand, six hundred eighty-six".