220023222 has 8 divisors (see below), whose sum is σ = 440046456. Its totient is φ = 73341072.

The previous prime is 220023143. The next prime is 220023227. The reversal of 220023222 is 222320022.

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

220023222 is an admirable number.

It is a super-2 number, since 2×220023222² = 96820436438522568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220023227) 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, 18335263 + ... + 18335274.

It is an arithmetic number, because the mean of its divisors is an integer number (55005807).

Almost surely, 2^220023222 is an apocalyptic number.

220023222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220023222 is a wasteful number, since it uses less digits than its factorization.

220023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36670542.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 220023222 is about 14833.1797669953. The cubic root of 220023222 is about 603.7023133596.

Adding to 220023222 its reverse (222320022), we get a palindrome (442343244).

The spelling of 220023222 in words is "two hundred twenty million, twenty-three thousand, two hundred twenty-two".