222303132 has 36 divisors (see below), whose sum is σ = 568254960. Its totient is φ = 73267392.

The previous prime is 222303113. The next prime is 222303217. The reversal of 222303132 is 231303222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31488 + ... + 37895.

It is an arithmetic number, because the mean of its divisors is an integer number (15784860).

Almost surely, 2^222303132 is an apocalyptic number.

It is an amenable number.

222303132 is an abundant number, since it is smaller than the sum of its proper divisors (345951828).

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

222303132 is a wasteful number, since it uses less digits than its factorization.

222303132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69482 (or 69477 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 222303132 is about 14909.8333994716. The cubic root of 222303132 is about 605.7803667692.

Adding to 222303132 its reverse (231303222), we get a palindrome (453606354).

The spelling of 222303132 in words is "two hundred twenty-two million, three hundred three thousand, one hundred thirty-two".