222530252 has 24 divisors (see below), whose sum is σ = 453460896. Its totient is φ = 93570048.

The previous prime is 222530251. The next prime is 222530263. The reversal of 222530252 is 252035222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222530251) 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 7 ways as a sum of consecutive naturals, for example, 73493 + ... + 76460.

It is an arithmetic number, because the mean of its divisors is an integer number (18894204).

Almost surely, 2^222530252 is an apocalyptic number.

It is an amenable number.

222530252 is an abundant number, since it is smaller than the sum of its proper divisors (230930644).

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

222530252 is a wasteful number, since it uses less digits than its factorization.

222530252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150017 (or 150015 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 222530252 is about 14917.4479050540. The cubic root of 222530252 is about 605.9865986936.

Adding to 222530252 its reverse (252035222), we get a palindrome (474565474).

The spelling of 222530252 in words is "two hundred twenty-two million, five hundred thirty thousand, two hundred fifty-two".