222030648 has 48 divisors (see below), whose sum is σ = 687239280. Its totient is φ = 63437184.

The previous prime is 222030647. The next prime is 222030701. The reversal of 222030648 is 846030222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222030643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219765 + ... + 220772.

It is an arithmetic number, because the mean of its divisors is an integer number (14317485).

Almost surely, 2^222030648 is an apocalyptic number.

222030648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

222030648 is an abundant number, since it is smaller than the sum of its proper divisors (465208632).

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

222030648 is a wasteful number, since it uses less digits than its factorization.

222030648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440556 (or 440549 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 222030648 is about 14900.6928697964. The cubic root of 222030648 is about 605.5327575041.

The spelling of 222030648 in words is "two hundred twenty-two million, thirty thousand, six hundred forty-eight".