220255634 has 8 divisors (see below), whose sum is σ = 334565760. Its totient is φ = 108733716.

The previous prime is 220255627. The next prime is 220255639. The reversal of 220255634 is 436552022.

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

It is a junction number, because it is equal to n+sod(n) for n = 220255597 and 220255606.

It is not an unprimeable number, because it can be changed into a prime (220255639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696854 + ... + 697169.

It is an arithmetic number, because the mean of its divisors is an integer number (41820720).

Almost surely, 2^220255634 is an apocalyptic number.

220255634 is a deficient number, since it is larger than the sum of its proper divisors (114310126).

220255634 is a wasteful number, since it uses less digits than its factorization.

220255634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394104.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 220255634 is about 14841.0118927248. The cubic root of 220255634 is about 603.9148034884.

The spelling of 220255634 in words is "two hundred twenty million, two hundred fifty-five thousand, six hundred thirty-four".