1220225423601 has 16 divisors (see below), whose sum is σ = 1699627677696. Its totient is φ = 777233506896.

The previous prime is 1220225423563. The next prime is 1220225423603. The reversal of 1220225423601 is 1063245220221.

It is not a de Polignac number, because 1220225423601 - 2¹⁵ = 1220225390833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220225423603) 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 15 ways as a sum of consecutive naturals, for example, 9952905 + ... + 10074758.

It is an arithmetic number, because the mean of its divisors is an integer number (106226729856).

Almost surely, 2^{1220225423601} is an apocalyptic number.

It is an amenable number.

1220225423601 is a deficient number, since it is larger than the sum of its proper divisors (479402254095).

1220225423601 is a wasteful number, since it uses less digits than its factorization.

1220225423601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20028572.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 1220225423601 in words is "one trillion, two hundred twenty billion, two hundred twenty-five million, four hundred twenty-three thousand, six hundred one".