1220441450522 has 48 divisors (see below), whose sum is σ = 2136973648320. Its totient is φ = 521224022592.

The previous prime is 1220441450491. The next prime is 1220441450533. The reversal of 1220441450522 is 2250541440221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53570798 + ... + 53593574.

It is an arithmetic number, because the mean of its divisors is an integer number (44520284340).

Almost surely, 2^{1220441450522} is an apocalyptic number.

1220441450522 is a deficient number, since it is larger than the sum of its proper divisors (916532197798).

1220441450522 is a wasteful number, since it uses less digits than its factorization.

1220441450522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24675 (or 24668 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 1220441450522 its reverse (2250541440221), we get a palindrome (3470982890743).

The spelling of 1220441450522 in words is "one trillion, two hundred twenty billion, four hundred forty-one million, four hundred fifty thousand, five hundred twenty-two".