222744 has 16 divisors (see below), whose sum is σ = 556920. Its totient is φ = 74240.

The previous prime is 222731. The next prime is 222773. The reversal of 222744 is 447222.

It is a super-2 number, since 2×222744² = 99229779072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222744.

It is a congruent number.

It is an unprimeable number.

222744 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4617 + ... + 4664.

2²²²⁷⁴⁴ is an apocalyptic number.

222744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222744 is an abundant number, since it is smaller than the sum of its proper divisors (334176).

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

222744 is a wasteful number, since it uses less digits than its factorization.

222744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9290 (or 9286 counting only the distinct ones).

The product of its digits is 896, while the sum is 21.

The square root of 222744 is about 471.9576252165. The cubic root of 222744 is about 60.6180560297.

Adding to 222744 its reverse (447222), we get a palindrome (669966).

The spelling of 222744 in words is "two hundred twenty-two thousand, seven hundred forty-four", and thus it is an iban number.