222500530 has 32 divisors (see below), whose sum is σ = 458492544. Its totient is φ = 76156416.

The previous prime is 222500521. The next prime is 222500561. The reversal of 222500530 is 35005222.

It is a junction number, because it is equal to n+sod(n) for n = 222500498 and 222500507.

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 15 ways as a sum of consecutive naturals, for example, 44749 + ... + 49471.

It is an arithmetic number, because the mean of its divisors is an integer number (14327892).

Almost surely, 2^222500530 is an apocalyptic number.

222500530 is an abundant number, since it is smaller than the sum of its proper divisors (235992014).

222500530 is a wasteful number, since it uses less digits than its factorization.

222500530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5410.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 222500530 is about 14916.4516558061. The cubic root of 222500530 is about 605.9596181887.

Adding to 222500530 its reverse (35005222), we get a palindrome (257505752).

The spelling of 222500530 in words is "two hundred twenty-two million, five hundred thousand, five hundred thirty".