248217222 has 48 divisors (see below), whose sum is σ = 548417520. Its totient is φ = 74838720.

The previous prime is 248217181. The next prime is 248217241. The reversal of 248217222 is 222712842.

It is a super-2 number, since 2×248217222² = 123223578594794568, 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 248217222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165508 + ... + 167000.

It is an arithmetic number, because the mean of its divisors is an integer number (11425365).

Almost surely, 2^248217222 is an apocalyptic number.

248217222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 248217222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274208760).

248217222 is an abundant number, since it is smaller than the sum of its proper divisors (300200298).

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

248217222 is a wasteful number, since it uses less digits than its factorization.

248217222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749 (or 1738 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 248217222 is about 15754.9110438618. The cubic root of 248217222 is about 628.4595116220.

It can be divided in two parts, 248 and 217222, that added together give a triangular number (217470 = T₆₅₉).

The spelling of 248217222 in words is "two hundred forty-eight million, two hundred seventeen thousand, two hundred twenty-two".