220426634 has 8 divisors (see below), whose sum is σ = 333730368. Its totient is φ = 109183180.

The previous prime is 220426627. The next prime is 220426637. The reversal of 220426634 is 436624022.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220426597 and 220426606.

It is not an unprimeable number, because it can be changed into a prime (220426637) by changing a digit.

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, 514802 + ... + 515229.

It is an arithmetic number, because the mean of its divisors is an integer number (41716296).

Almost surely, 2^220426634 is an apocalyptic number.

220426634 is a deficient number, since it is larger than the sum of its proper divisors (113303734).

220426634 is a wasteful number, since it uses less digits than its factorization.

220426634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030140.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 220426634 is about 14846.7718376757. The cubic root of 220426634 is about 604.0710502942.

The spelling of 220426634 in words is "two hundred twenty million, four hundred twenty-six thousand, six hundred thirty-four".