220243826 has 8 divisors (see below), whose sum is σ = 360399024. Its totient is φ = 100110820.

The previous prime is 220243811. The next prime is 220243831. The reversal of 220243826 is 628342022.

220243826 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×220243826² = 97014685782236552, which contains 22 as substring.

It is a Curzon number.

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, 5005520 + ... + 5005563.

It is an arithmetic number, because the mean of its divisors is an integer number (45049878).

Almost surely, 2^220243826 is an apocalyptic number.

220243826 is a deficient number, since it is larger than the sum of its proper divisors (140155198).

220243826 is a wasteful number, since it uses less digits than its factorization.

220243826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10011096.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 220243826 is about 14840.6140708530. The cubic root of 220243826 is about 603.9040112508.

Adding to 220243826 its reverse (628342022), we get a palindrome (848585848).

The spelling of 220243826 in words is "two hundred twenty million, two hundred forty-three thousand, eight hundred twenty-six".