222471 has 12 divisors (see below), whose sum is σ = 338520. Its totient is φ = 140400.

The previous prime is 222461. The next prime is 222493. The reversal of 222471 is 174222.

222471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222471 - 2¹⁰ = 221447 is a prime.

It is a super-3 number, since 3×222471³ = 33032502427779333, which contains 333 as substring.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 480 + ... + 821.

It is an arithmetic number, because the mean of its divisors is an integer number (28210).

2²²²⁴⁷¹ is an apocalyptic number.

222471 is a deficient number, since it is larger than the sum of its proper divisors (116049).

222471 is a wasteful number, since it uses less digits than its factorization.

222471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326 (or 1323 counting only the distinct ones).

The product of its digits is 224, while the sum is 18.

The square root of 222471 is about 471.6683156626. The cubic root of 222471 is about 60.5932809595.

Adding to 222471 its reverse (174222), we get a palindrome (396693).

The spelling of 222471 in words is "two hundred twenty-two thousand, four hundred seventy-one", and thus it is an iban number.