220022231 has 8 divisors (see below), whose sum is σ = 258487824. Its totient is φ = 184633920.

The previous prime is 220022207. The next prime is 220022233. The reversal of 220022231 is 132220022.

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

It is a cyclic number.

It is not a de Polignac number, because 220022231 - 2¹⁴ = 220005847 is a prime.

It is a super-3 number, since 3×220022231³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022233) 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, 769166 + ... + 769451.

It is an arithmetic number, because the mean of its divisors is an integer number (32310978).

Almost surely, 2^220022231 is an apocalyptic number.

220022231 is a deficient number, since it is larger than the sum of its proper divisors (38465593).

220022231 is a wasteful number, since it uses less digits than its factorization.

220022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538641.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 220022231 is about 14833.1463621175. The cubic root of 220022231 is about 603.7014069857.

Adding to 220022231 its reverse (132220022), we get a palindrome (352242253).

The spelling of 220022231 in words is "two hundred twenty million, twenty-two thousand, two hundred thirty-one".