220281266 has 8 divisors (see below), whose sum is σ = 331641984. Its totient is φ = 109733940.

The previous prime is 220281251. The next prime is 220281293. The reversal of 220281266 is 662182022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 202670 + ... + 203753.

It is an arithmetic number, because the mean of its divisors is an integer number (41455248).

Almost surely, 2^220281266 is an apocalyptic number.

220281266 is a deficient number, since it is larger than the sum of its proper divisors (111360718).

220281266 is a wasteful number, since it uses less digits than its factorization.

220281266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406696.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 220281266 is about 14841.8754205794. The cubic root of 220281266 is about 603.9382292136.

The spelling of 220281266 in words is "two hundred twenty million, two hundred eighty-one thousand, two hundred sixty-six".