1220330220422 has 32 divisors (see below), whose sum is σ = 1963861200000. Its totient is φ = 566987613696.

The previous prime is 1220330220401. The next prime is 1220330220451. The reversal of 1220330220422 is 2240220330221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400529 + ... + 1612787.

It is an arithmetic number, because the mean of its divisors is an integer number (61370662500).

Almost surely, 2^{1220330220422} is an apocalyptic number.

1220330220422 is a deficient number, since it is larger than the sum of its proper divisors (743530979578).

1220330220422 is a wasteful number, since it uses less digits than its factorization.

1220330220422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212788.

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

Adding to 1220330220422 its reverse (2240220330221), we get a palindrome (3460550550643).

The spelling of 1220330220422 in words is "one trillion, two hundred twenty billion, three hundred thirty million, two hundred twenty thousand, four hundred twenty-two".