1220022674472 has 96 divisors (see below), whose sum is σ = 3548478456000. Its totient is φ = 348533369856.

The previous prime is 1220022674467. The next prime is 1220022674539. The reversal of 1220022674472 is 2744762200221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220022674472.

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, 9761029 + ... + 9885227.

It is an arithmetic number, because the mean of its divisors is an integer number (36963317250).

Almost surely, 2^{1220022674472} is an apocalyptic number.

1220022674472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220022674472 is an abundant number, since it is smaller than the sum of its proper divisors (2328455781528).

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

1220022674472 is a wasteful number, since it uses less digits than its factorization.

1220022674472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132575 (or 132564 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 39.

Adding to 1220022674472 its reverse (2744762200221), we get a palindrome (3964784874693).

The spelling of 1220022674472 in words is "one trillion, two hundred twenty billion, twenty-two million, six hundred seventy-four thousand, four hundred seventy-two".