220136223 has 8 divisors (see below), whose sum is σ = 308963200. Its totient is φ = 139033368.

The previous prime is 220136219. The next prime is 220136233. The reversal of 220136223 is 322631022.

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

It is not a de Polignac number, because 220136223 - 2² = 220136219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220136223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220136233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1930963 + ... + 1931076.

It is an arithmetic number, because the mean of its divisors is an integer number (38620400).

Almost surely, 2^220136223 is an apocalyptic number.

220136223 is a deficient number, since it is larger than the sum of its proper divisors (88826977).

220136223 is a wasteful number, since it uses less digits than its factorization.

220136223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862061.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 220136223 is about 14836.9883399563. The cubic root of 220136223 is about 603.8056468305.

Adding to 220136223 its reverse (322631022), we get a palindrome (542767245).

The spelling of 220136223 in words is "two hundred twenty million, one hundred thirty-six thousand, two hundred twenty-three".