1222220248 has 16 divisors (see below), whose sum is σ = 2313913680. Its totient is φ = 605176608.

The previous prime is 1222220183. The next prime is 1222220249. The reversal of 1222220248 is 8420222221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222220249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740815 + ... + 742462.

It is an arithmetic number, because the mean of its divisors is an integer number (144619605).

Almost surely, 2^1222220248 is an apocalyptic number.

It is an amenable number.

1222220248 is a deficient number, since it is larger than the sum of its proper divisors (1091693432).

1222220248 is a wasteful number, since it uses less digits than its factorization.

1222220248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483386 (or 1483382 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 1222220248 is about 34960.2667037882. The cubic root of 1222220248 is about 1069.1775343269.

Adding to 1222220248 its reverse (8420222221), we get a palindrome (9642442469).

The spelling of 1222220248 in words is "one billion, two hundred twenty-two million, two hundred twenty thousand, two hundred forty-eight".