1222303020144 has 40 divisors (see below), whose sum is σ = 3234631168272. Its totient is φ = 397496916480.

The previous prime is 1222303020137. The next prime is 1222303020149. The reversal of 1222303020144 is 4410203032221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222303020149) by changing a digit.

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, 310542499 + ... + 310546434.

Almost surely, 2^{1222303020144} is an apocalyptic number.

It is an amenable number.

1222303020144 is an abundant number, since it is smaller than the sum of its proper divisors (2012328148128).

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

1222303020144 is a wasteful number, since it uses less digits than its factorization.

1222303020144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621088985 (or 621088979 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1222303020144 its reverse (4410203032221), we get a palindrome (5632506052365).

The spelling of 1222303020144 in words is "one trillion, two hundred twenty-two billion, three hundred three million, twenty thousand, one hundred forty-four".