1422221211553 has 8 divisors (see below), whose sum is σ = 1459705927176. Its totient is φ = 1384869657600.

The previous prime is 1422221211533. The next prime is 1422221211577. The reversal of 1422221211553 is 3551121222241.

It can be written as a sum of positive squares in 4 ways, for example, as 6568616209 + 1415652595344 = 81047^2 + 1189812^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1422221211553 - 2²⁹ = 1421684340641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422221211533) 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, 33268776 + ... + 33311497.

It is an arithmetic number, because the mean of its divisors is an integer number (182463240897).

Almost surely, 2^{1422221211553} is an apocalyptic number.

It is an amenable number.

1422221211553 is a deficient number, since it is larger than the sum of its proper divisors (37484715623).

1422221211553 is an equidigital number, since it uses as much as digits as its factorization.

1422221211553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66580835.

The product of its digits is 9600, while the sum is 31.

Adding to 1422221211553 its reverse (3551121222241), we get a palindrome (4973342433794).

The spelling of 1422221211553 in words is "one trillion, four hundred twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, five hundred fifty-three".