220218270 has 32 divisors (see below), whose sum is σ = 528992640. Its totient is φ = 58672800.

The previous prime is 220218263. The next prime is 220218281. The reversal of 220218270 is 72812022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 220218270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41001 + ... + 46059.

It is an arithmetic number, because the mean of its divisors is an integer number (16531020).

Almost surely, 2^220218270 is an apocalyptic number.

220218270 is an abundant number, since it is smaller than the sum of its proper divisors (308774370).

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

220218270 is a wasteful number, since it uses less digits than its factorization.

220218270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6520.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 220218270 is about 14839.7530302900. The cubic root of 220218270 is about 603.8806523396.

The spelling of 220218270 in words is "two hundred twenty million, two hundred eighteen thousand, two hundred seventy".