222445360 has 80 divisors (see below), whose sum is σ = 536679936. Its totient is φ = 85688064.

The previous prime is 222445337. The next prime is 222445361. The reversal of 222445360 is 63544222.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (222445361) 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 15 ways as a sum of consecutive naturals, for example, 251479 + ... + 252361.

Almost surely, 2^222445360 is an apocalyptic number.

222445360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222445360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268339968).

222445360 is an abundant number, since it is smaller than the sum of its proper divisors (314234576).

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

222445360 is a wasteful number, since it uses less digits than its factorization.

222445360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 222445360 is about 14914.6022407572. The cubic root of 222445360 is about 605.9095305843.

Adding to 222445360 its reverse (63544222), we get a palindrome (285989582).

The spelling of 222445360 in words is "two hundred twenty-two million, four hundred forty-five thousand, three hundred sixty".