222122110 has 32 divisors (see below), whose sum is σ = 462454272. Its totient is φ = 75236640.

The previous prime is 222122081. The next prime is 222122149. The reversal of 222122110 is 11221222.

It is a happy number.

It is a super-4 number, since 4×222122110⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13306 + ... + 24925.

It is an arithmetic number, because the mean of its divisors is an integer number (14451696).

Almost surely, 2^222122110 is an apocalyptic number.

222122110 is an abundant number, since it is smaller than the sum of its proper divisors (240332162).

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

222122110 is a wasteful number, since it uses less digits than its factorization.

222122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38328.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 222122110 is about 14903.7616057155. The cubic root of 222122110 is about 605.6158926247.

Adding to 222122110 its reverse (11221222), we get a palindrome (233343332).

The spelling of 222122110 in words is "two hundred twenty-two million, one hundred twenty-two thousand, one hundred ten".