222028110 has 48 divisors (see below), whose sum is σ = 607660560. Its totient is φ = 56090880.

The previous prime is 222028099. The next prime is 222028127. The reversal of 222028110 is 11820222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63211 + ... + 66630.

It is an arithmetic number, because the mean of its divisors is an integer number (12659595).

Almost surely, 2^222028110 is an apocalyptic number.

222028110 is an abundant number, since it is smaller than the sum of its proper divisors (385632450).

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

222028110 is a wasteful number, since it uses less digits than its factorization.

222028110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129873 (or 129870 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 222028110 is about 14900.6077057280. The cubic root of 222028110 is about 605.5304502431.

Adding to 222028110 its reverse (11820222), we get a palindrome (233848332).

The spelling of 222028110 in words is "two hundred twenty-two million, twenty-eight thousand, one hundred ten".