220616426 has 16 divisors (see below), whose sum is σ = 333849600. Its totient is φ = 109337568.

The previous prime is 220616419. The next prime is 220616441. The reversal of 220616426 is 624616022.

It is a Curzon number.

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, 136310 + ... + 137918.

It is an arithmetic number, because the mean of its divisors is an integer number (20865600).

Almost surely, 2^220616426 is an apocalyptic number.

220616426 is a deficient number, since it is larger than the sum of its proper divisors (113233174).

220616426 is a wasteful number, since it uses less digits than its factorization.

220616426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 220616426 is about 14853.1621549083. The cubic root of 220616426 is about 604.2443732145.

The spelling of 220616426 in words is "two hundred twenty million, six hundred sixteen thousand, four hundred twenty-six".