222031132 has 6 divisors (see below), whose sum is σ = 388554488. Its totient is φ = 111015564.

The previous prime is 222031123. The next prime is 222031133. The reversal of 222031132 is 231130222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222031133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27753888 + ... + 27753895.

Almost surely, 2^222031132 is an apocalyptic number.

It is an amenable number.

222031132 is a deficient number, since it is larger than the sum of its proper divisors (166523356).

222031132 is a wasteful number, since it uses less digits than its factorization.

222031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55507787 (or 55507785 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 222031132 is about 14900.7091106430. The cubic root of 222031132 is about 605.5331974999.

Adding to 222031132 its reverse (231130222), we get a palindrome (453161354).

The spelling of 222031132 in words is "two hundred twenty-two million, thirty-one thousand, one hundred thirty-two".