222086448 has 90 divisors (see below), whose sum is σ = 647261524. Its totient is φ = 73719072.

The previous prime is 222086429. The next prime is 222086461. The reversal of 222086448 is 844680222.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

222086448 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 8 + 644 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 17 ways as a sum of consecutive naturals, for example, 929113 + ... + 929351.

Almost surely, 2^222086448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222086448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323630762).

222086448 is an abundant number, since it is smaller than the sum of its proper divisors (425175076).

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

222086448 is an frugal number, since it uses more digits than its factorization.

222086448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 222086448 is about 14902.5651483226. The cubic root of 222086448 is about 605.5834800778.

Multiplying 222086448 by its product of nonzero digits (49152), we get a square (10915993092096 = 3303936²).

The spelling of 222086448 in words is "two hundred twenty-two million, eighty-six thousand, four hundred forty-eight".