247222 has 8 divisors (see below), whose sum is σ = 376272. Its totient is φ = 121800.

The previous prime is 247201. The next prime is 247223. The reversal of 247222 is 222742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×247222² = 122237434568, 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 247222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729 + ... + 1012.

It is an arithmetic number, because the mean of its divisors is an integer number (47034).

2²⁴⁷²²² is an apocalyptic number.

247222 is a deficient number, since it is larger than the sum of its proper divisors (129050).

247222 is a wasteful number, since it uses less digits than its factorization.

247222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814.

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

The square root of 247222 is about 497.2142395387. The cubic root of 247222 is about 62.7618454593.

Adding to 247222 its reverse (222742), we get a palindrome (469964).

The spelling of 247222 in words is "two hundred forty-seven thousand, two hundred twenty-two", and thus it is an iban number.