1222223220330 has 64 divisors (see below), whose sum is σ = 3353608320768. Its totient is φ = 279263255040.

The previous prime is 1222223220329. The next prime is 1222223220331. The reversal of 1222223220330 is 330223222221.

It is an interprime number because it is at equal distance from previous prime (1222223220329) and next prime (1222223220331).

It is a self number, because there is not a number n which added to its sum of digits gives 1222223220330.

It is not an unprimeable number, because it can be changed into a prime (1222223220331) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 486067 + ... + 1637286.

It is an arithmetic number, because the mean of its divisors is an integer number (52400130012).

Almost surely, 2^{1222223220330} is an apocalyptic number.

1222223220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222223220330 is an abundant number, since it is smaller than the sum of its proper divisors (2131385100438).

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

1222223220330 is a wasteful number, since it uses less digits than its factorization.

1222223220330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126111.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 1222223220330 its reverse (330223222221), we get a palindrome (1552446442551).

The spelling of 1222223220330 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-three million, two hundred twenty thousand, three hundred thirty".