222538502 has 16 divisors (see below), whose sum is σ = 342904320. Its totient is φ = 108257352.

The previous prime is 222538487. The next prime is 222538513. The reversal of 222538502 is 205835222.

It is a happy number.

222538502 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 17699 + ... + 27537.

It is an arithmetic number, because the mean of its divisors is an integer number (21431520).

Almost surely, 2^222538502 is an apocalyptic number.

222538502 is a deficient number, since it is larger than the sum of its proper divisors (120365818).

222538502 is a wasteful number, since it uses less digits than its factorization.

222538502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10147.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 222538502 is about 14917.7244243216. The cubic root of 222538502 is about 605.9940873048.

The spelling of 222538502 in words is "two hundred twenty-two million, five hundred thirty-eight thousand, five hundred two".