220891226 has 8 divisors (see below), whose sum is σ = 348775680. Its totient is φ = 104632668.

The previous prime is 220891219. The next prime is 220891247. The reversal of 220891226 is 622198022.

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

It is a super-3 number, since 3×220891226³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220891192 and 220891201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2906426 + ... + 2906501.

It is an arithmetic number, because the mean of its divisors is an integer number (43596960).

Almost surely, 2^220891226 is an apocalyptic number.

220891226 is a deficient number, since it is larger than the sum of its proper divisors (127884454).

220891226 is a wasteful number, since it uses less digits than its factorization.

220891226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5812948.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 220891226 is about 14862.4098315179. The cubic root of 220891226 is about 604.4951515480.

The spelling of 220891226 in words is "two hundred twenty million, eight hundred ninety-one thousand, two hundred twenty-six".