1422320642225 has 24 divisors (see below), whose sum is σ = 2016884661120. Its totient is φ = 974699233920.

The previous prime is 1422320642221. The next prime is 1422320642263. The reversal of 1422320642225 is 5222460232241.

It is not a de Polignac number, because 1422320642225 - 2² = 1422320642221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (1422320642221) 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 23 ways as a sum of consecutive naturals, for example, 2244077 + ... + 2807226.

It is an arithmetic number, because the mean of its divisors is an integer number (84036860880).

Almost surely, 2^{1422320642225} is an apocalyptic number.

It is an amenable number.

1422320642225 is a deficient number, since it is larger than the sum of its proper divisors (594564018895).

1422320642225 is a wasteful number, since it uses less digits than its factorization.

1422320642225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052929 (or 5052924 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 1422320642225 its reverse (5222460232241), we get a palindrome (6644780874466).

The spelling of 1422320642225 in words is "one trillion, four hundred twenty-two billion, three hundred twenty million, six hundred forty-two thousand, two hundred twenty-five".