222102132 has 24 divisors (see below), whose sum is σ = 592272576. Its totient is φ = 63457728.

The previous prime is 222102121. The next prime is 222102149. The reversal of 222102132 is 231201222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321953 + ... + 1322120.

It is an arithmetic number, because the mean of its divisors is an integer number (24678024).

Almost surely, 2^222102132 is an apocalyptic number.

It is an amenable number.

222102132 is an abundant number, since it is smaller than the sum of its proper divisors (370170444).

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

222102132 is a wasteful number, since it uses less digits than its factorization.

222102132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644087 (or 2644085 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 222102132 is about 14903.0913571648. The cubic root of 222102132 is about 605.5977354092.

Adding to 222102132 its reverse (231201222), we get a palindrome (453303354).

It can be divided in two parts, 22210 and 2132, that added together give a palindrome (24342).

The spelling of 222102132 in words is "two hundred twenty-two million, one hundred two thousand, one hundred thirty-two".