220856834 has 16 divisors (see below), whose sum is σ = 373061376. Its totient is φ = 97150800.

The previous prime is 220856827. The next prime is 220856851. The reversal of 220856834 is 438658022.

220856834 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220856834² = 97555482249007112, which contains 22 as substring.

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, 161237 + ... + 162600.

It is an arithmetic number, because the mean of its divisors is an integer number (23316336).

Almost surely, 2^220856834 is an apocalyptic number.

220856834 is a deficient number, since it is larger than the sum of its proper divisors (152204542).

220856834 is a wasteful number, since it uses less digits than its factorization.

220856834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323881.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 220856834 is about 14861.2527735720. The cubic root of 220856834 is about 604.4637773181.

The spelling of 220856834 in words is "two hundred twenty million, eight hundred fifty-six thousand, eight hundred thirty-four".