222352 has 20 divisors (see below), whose sum is σ = 464380. Its totient is φ = 102528.

The previous prime is 222349. The next prime is 222361. The reversal of 222352 is 253222.

It can be written as a sum of positive squares in 2 ways, for example, as 65536 + 156816 = 256^2 + 396^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327 + ... + 742.

It is an arithmetic number, because the mean of its divisors is an integer number (23219).

2²²²³⁵² is an apocalyptic number.

It is an amenable number.

222352 is an abundant number, since it is smaller than the sum of its proper divisors (242028).

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

222352 is a wasteful number, since it uses less digits than its factorization.

222352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1084 counting only the distinct ones).

The product of its digits is 240, while the sum is 16.

The square root of 222352 is about 471.5421508201. The cubic root of 222352 is about 60.5824752268.

Adding to 222352 its reverse (253222), we get a palindrome (475574).

The spelling of 222352 in words is "two hundred twenty-two thousand, three hundred fifty-two".