222222104 has 32 divisors (see below), whose sum is σ = 450742320. Its totient is φ = 102101376.

The previous prime is 222222103. The next prime is 222222131. The reversal of 222222104 is 401222222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222103) 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, 18902 + ... + 28314.

Almost surely, 2^222222104 is an apocalyptic number.

It is an amenable number.

222222104 is an abundant number, since it is smaller than the sum of its proper divisors (228520216).

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

222222104 is a wasteful number, since it uses less digits than its factorization.

222222104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9659 (or 9655 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 222222104 is about 14907.1158847042. The cubic root of 222222104 is about 605.7067568653.

Adding to 222222104 its reverse (401222222), we get a palindrome (623444326).

The spelling of 222222104 in words is "two hundred twenty-two million, two hundred twenty-two thousand, one hundred four".