1222244401401 has 64 divisors (see below), whose sum is σ = 1914295680000. Its totient is φ = 769642788096.

The previous prime is 1222244401387. The next prime is 1222244401447. The reversal of 1222244401401 is 1041044422221.

1222244401401 is a `hidden beast` number, since 12 + 2 + 2 + 244 + 4 + 0 + 1 + 401 = 666.

It is not a de Polignac number, because 1222244401401 - 2⁵ = 1222244401369 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1222244406401) 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 63 ways as a sum of consecutive naturals, for example, 6651775 + ... + 6833051.

It is an arithmetic number, because the mean of its divisors is an integer number (29910870000).

Almost surely, 2^{1222244401401} is an apocalyptic number.

It is an amenable number.

1222244401401 is a deficient number, since it is larger than the sum of its proper divisors (692051278599).

1222244401401 is a wasteful number, since it uses less digits than its factorization.

1222244401401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181503 (or 181497 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 1222244401401 its reverse (1041044422221), we get a palindrome (2263288823622).

The spelling of 1222244401401 in words is "one trillion, two hundred twenty-two billion, two hundred forty-four million, four hundred one thousand, four hundred one".