222321104 has 20 divisors (see below), whose sum is σ = 456085764. Its totient is φ = 104621568.

The previous prime is 222321097. The next prime is 222321107. The reversal of 222321104 is 401123222.

222321104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 142754704 + 79566400 = 11948^2 + 8920^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222321107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408407 + ... + 408950.

Almost surely, 2^222321104 is an apocalyptic number.

It is an amenable number.

222321104 is an abundant number, since it is smaller than the sum of its proper divisors (233764660).

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

222321104 is a wasteful number, since it uses less digits than its factorization.

222321104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817382 (or 817376 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 222321104 is about 14910.4360767886. The cubic root of 222321104 is about 605.7966910127.

Adding to 222321104 its reverse (401123222), we get a palindrome (623444326).

The spelling of 222321104 in words is "two hundred twenty-two million, three hundred twenty-one thousand, one hundred four".