222544 has 20 divisors (see below), whose sum is σ = 493024. Its totient is φ = 95328.

The previous prime is 222533. The next prime is 222553. The reversal of 222544 is 445222.

222544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882 + ... + 1105.

2²²²⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

222544 is an abundant number, since it is smaller than the sum of its proper divisors (270480).

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

222544 is a wasteful number, since it uses less digits than its factorization.

222544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002 (or 1996 counting only the distinct ones).

The product of its digits is 640, while the sum is 19.

The square root of 222544 is about 471.7456942040. The cubic root of 222544 is about 60.5999077794.

Adding to 222544 its reverse (445222), we get a palindrome (667766).

The spelling of 222544 in words is "two hundred twenty-two thousand, five hundred forty-four".