222105132 has 48 divisors (see below), whose sum is σ = 576737280. Its totient is φ = 73918224.

The previous prime is 222105109. The next prime is 222105133. The reversal of 222105132 is 231501222.

222105132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (222105133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92013 + ... + 94395.

It is an arithmetic number, because the mean of its divisors is an integer number (12015360).

Almost surely, 2^222105132 is an apocalyptic number.

It is an amenable number.

222105132 is an abundant number, since it is smaller than the sum of its proper divisors (354632148).

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

222105132 is a wasteful number, since it uses less digits than its factorization.

222105132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259 (or 3251 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 222105132 is about 14903.1920070836. The cubic root of 222105132 is about 605.6004620602.

Adding to 222105132 its reverse (231501222), we get a palindrome (453606354).

The spelling of 222105132 in words is "two hundred twenty-two million, one hundred five thousand, one hundred thirty-two".