1222223516 has 24 divisors (see below), whose sum is σ = 2208251136. Its totient is φ = 591468480.

The previous prime is 1222223501. The next prime is 1222223533. The reversal of 1222223516 is 6153222221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6650 + ... + 49886.

It is an arithmetic number, because the mean of its divisors is an integer number (92010464).

Almost surely, 2^1222223516 is an apocalyptic number.

It is an amenable number.

1222223516 is a deficient number, since it is larger than the sum of its proper divisors (986027620).

1222223516 is a wasteful number, since it uses less digits than its factorization.

1222223516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43469 (or 43467 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 1222223516 is about 34960.3134425308. The cubic root of 1222223516 is about 1069.1784872564.

Adding to 1222223516 its reverse (6153222221), we get a palindrome (7375445737).

The spelling of 1222223516 in words is "one billion, two hundred twenty-two million, two hundred twenty-three thousand, five hundred sixteen".