222531532 has 12 divisors (see below), whose sum is σ = 406362096. Its totient is φ = 106428080.

The previous prime is 222531527. The next prime is 222531541. The reversal of 222531532 is 235135222.

It is a junction number, because it is equal to n+sod(n) for n = 222531497 and 222531506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1209319 + ... + 1209502.

It is an arithmetic number, because the mean of its divisors is an integer number (33863508).

Almost surely, 2^222531532 is an apocalyptic number.

It is an amenable number.

222531532 is a deficient number, since it is larger than the sum of its proper divisors (183830564).

222531532 is a wasteful number, since it uses less digits than its factorization.

222531532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418848 (or 2418846 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 222531532 is about 14917.4908077733. The cubic root of 222531532 is about 605.9877605751.

Adding to 222531532 its reverse (235135222), we get a palindrome (457666754).

The spelling of 222531532 in words is "two hundred twenty-two million, five hundred thirty-one thousand, five hundred thirty-two".