222532404 has 48 divisors (see below), whose sum is σ = 531987456. Its totient is φ = 72367200.

The previous prime is 222532403. The next prime is 222532421. The reversal of 222532404 is 404235222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222532403) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 321699 + ... + 322389.

It is an arithmetic number, because the mean of its divisors is an integer number (11083072).

Almost surely, 2^222532404 is an apocalyptic number.

It is an amenable number.

222532404 is an abundant number, since it is smaller than the sum of its proper divisors (309455052).

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

222532404 is a wasteful number, since it uses less digits than its factorization.

222532404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 222532404 is about 14917.5200351801. The cubic root of 222532404 is about 605.9885521043.

Adding to 222532404 its reverse (404235222), we get a palindrome (626767626).

The spelling of 222532404 in words is "two hundred twenty-two million, five hundred thirty-two thousand, four hundred four".