1222042225320 has 256 divisors, whose sum is σ = 4815930816000. Its totient is φ = 269692028928.

The previous prime is 1222042225307. The next prime is 1222042225343. The reversal of 1222042225320 is 235222402221.

It is a happy number.

1222042225320 is a `hidden beast` number, since 12 + 220 + 422 + 2 + 5 + 3 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2567757 + ... + 3006236.

It is an arithmetic number, because the mean of its divisors is an integer number (18812229750).

Almost surely, 2^{1222042225320} is an apocalyptic number.

1222042225320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222042225320 is an abundant number, since it is smaller than the sum of its proper divisors (3593888590680).

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

1222042225320 is a wasteful number, since it uses less digits than its factorization.

1222042225320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574049 (or 5574039 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 1222042225320 its reverse (235222402221), we get a palindrome (1457264627541).

The spelling of 1222042225320 in words is "one trillion, two hundred twenty-two billion, forty-two million, two hundred twenty-five thousand, three hundred twenty".