1222452516 has 24 divisors (see below), whose sum is σ = 2913079680. Its totient is φ = 398814112.

The previous prime is 1222452503. The next prime is 1222452523. The reversal of 1222452516 is 6152542221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083171 + ... + 1084298.

It is an arithmetic number, because the mean of its divisors is an integer number (121378320).

Almost surely, 2^1222452516 is an apocalyptic number.

It is an amenable number.

1222452516 is an abundant number, since it is smaller than the sum of its proper divisors (1690627164).

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

1222452516 is a wasteful number, since it uses less digits than its factorization.

1222452516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167523 (or 2167521 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 1222452516 is about 34963.5884313953. The cubic root of 1222452516 is about 1069.2452580721.

Adding to 1222452516 its reverse (6152542221), we get a palindrome (7374994737).

The spelling of 1222452516 in words is "one billion, two hundred twenty-two million, four hundred fifty-two thousand, five hundred sixteen".