1422254187539 has 4 divisors (see below), whose sum is σ = 1422258068760. Its totient is φ = 1422250306320.

The previous prime is 1422254187479. The next prime is 1422254187581. The reversal of 1422254187539 is 9357814522241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422254187539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422254187439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326074 + ... + 2145455.

It is an arithmetic number, because the mean of its divisors is an integer number (355564517190).

Almost surely, 2^{1422254187539} is an apocalyptic number.

1422254187539 is a deficient number, since it is larger than the sum of its proper divisors (3881221).

1422254187539 is an equidigital number, since it uses as much as digits as its factorization.

1422254187539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881220.

The product of its digits is 4838400, while the sum is 53.

The spelling of 1422254187539 in words is "one trillion, four hundred twenty-two billion, two hundred fifty-four million, one hundred eighty-seven thousand, five hundred thirty-nine".