1220222220332 has 48 divisors (see below), whose sum is σ = 2184428282400. Its totient is φ = 596226785280.

The previous prime is 1220222220311. The next prime is 1220222220367. The reversal of 1220222220332 is 2330222220221.

It is a junction number, because it is equal to n+sod(n) for n = 1220222220298 and 1220222220307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67447544 + ... + 67465632.

It is an arithmetic number, because the mean of its divisors is an integer number (45508922550).

Almost surely, 2^{1220222220332} is an apocalyptic number.

It is an amenable number.

1220222220332 is a deficient number, since it is larger than the sum of its proper divisors (964206062068).

1220222220332 is a wasteful number, since it uses less digits than its factorization.

1220222220332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19826 (or 19824 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 1220222220332 its reverse (2330222220221), we get a palindrome (3550444440553).

The spelling of 1220222220332 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twenty thousand, three hundred thirty-two".