222560 has 48 divisors (see below), whose sum is σ = 571536. Its totient is φ = 81408.

The previous prime is 222557. The next prime is 222587. The reversal of 222560 is 65222.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2027 + ... + 2133.

It is an arithmetic number, because the mean of its divisors is an integer number (11907).

2²²²⁵⁶⁰ is an apocalyptic number.

222560 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 222560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285768).

222560 is an abundant number, since it is smaller than the sum of its proper divisors (348976).

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

222560 is a wasteful number, since it uses less digits than its factorization.

222560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 222560 is about 471.7626521886. The cubic root of 222560 is about 60.6013600395.

Adding to 222560 its reverse (65222), we get a palindrome (287782).

The spelling of 222560 in words is "two hundred twenty-two thousand, five hundred sixty".