1221284482 has 16 divisors (see below), whose sum is σ = 2067379200. Its totient is φ = 535986640.

The previous prime is 1221284443. The next prime is 1221284513. The reversal of 1221284482 is 2844821221.

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, 956482 + ... + 957757.

It is an arithmetic number, because the mean of its divisors is an integer number (129211200).

Almost surely, 2^1221284482 is an apocalyptic number.

1221284482 is a deficient number, since it is larger than the sum of its proper divisors (846094718).

1221284482 is a wasteful number, since it uses less digits than its factorization.

1221284482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914281.

The product of its digits is 16384, while the sum is 34.

The square root of 1221284482 is about 34946.8808622458. The cubic root of 1221284482 is about 1068.9046005869.

The spelling of 1221284482 in words is "one billion, two hundred twenty-one million, two hundred eighty-four thousand, four hundred eighty-two".