222472 has 8 divisors (see below), whose sum is σ = 417150. Its totient is φ = 111232.

The previous prime is 222461. The next prime is 222493. The reversal of 222472 is 274222.

222472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 171396 + 51076 = 414^2 + 226^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

222472 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 13897 + ... + 13912.

2²²²⁴⁷² is an apocalyptic number.

It is an amenable number.

222472 is a deficient number, since it is larger than the sum of its proper divisors (194678).

222472 is a wasteful number, since it uses less digits than its factorization.

222472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27815 (or 27811 counting only the distinct ones).

The product of its digits is 448, while the sum is 19.

The square root of 222472 is about 471.6693757284. The cubic root of 222472 is about 60.5933717476.

Adding to 222472 its reverse (274222), we get a palindrome (496694).

It can be divided in two parts, 2 and 22472, that multiplied together give a palindrome (44944).

The spelling of 222472 in words is "two hundred twenty-two thousand, four hundred seventy-two", and thus it is an iban number.