1220221322230 has 16 divisors (see below), whose sum is σ = 2218144900464. Its totient is φ = 483255968800.

The previous prime is 1220221322227. The next prime is 1220221322261. The reversal of 1220221322230 is 322231220221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604068952 + ... + 604070971.

It is an arithmetic number, because the mean of its divisors is an integer number (138634056279).

Almost surely, 2^{1220221322230} is an apocalyptic number.

1220221322230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220221322230 is a deficient number, since it is larger than the sum of its proper divisors (997923578234).

1220221322230 is a wasteful number, since it uses less digits than its factorization.

1220221322230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208140031.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1220221322230 its reverse (322231220221), we get a palindrome (1542452542451).

It can be divided in two parts, 1220221 and 322230, that added together give a palindrome (1542451).

The spelling of 1220221322230 in words is "one trillion, two hundred twenty billion, two hundred twenty-one million, three hundred twenty-two thousand, two hundred thirty".