222532750 has 64 divisors (see below), whose sum is σ = 478483200. Its totient is φ = 76644000.

The previous prime is 222532741. The next prime is 222532753. The reversal of 222532750 is 57235222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222532753) 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 31 ways as a sum of consecutive naturals, for example, 50121 + ... + 54379.

It is an arithmetic number, because the mean of its divisors is an integer number (7476300).

Almost surely, 2^222532750 is an apocalyptic number.

222532750 is an abundant number, since it is smaller than the sum of its proper divisors (255950450).

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

222532750 is a wasteful number, since it uses less digits than its factorization.

222532750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306 (or 4296 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 222532750 is about 14917.5316322775. The cubic root of 222532750 is about 605.9888661738.

Adding to 222532750 its reverse (57235222), we get a palindrome (279767972).

The spelling of 222532750 in words is "two hundred twenty-two million, five hundred thirty-two thousand, seven hundred fifty".