1422154044547 has 4 divisors (see below), whose sum is σ = 1422646653616. Its totient is φ = 1421661435480.

The previous prime is 1422154044541. The next prime is 1422154044611. The reversal of 1422154044547 is 7454404512241.

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-1422154044547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422154044541) 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, 246300204 + ... + 246305977.

It is an arithmetic number, because the mean of its divisors is an integer number (355661663404).

Almost surely, 2^{1422154044547} is an apocalyptic number.

1422154044547 is a deficient number, since it is larger than the sum of its proper divisors (492609069).

1422154044547 is an equidigital number, since it uses as much as digits as its factorization.

1422154044547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492609068.

The product of its (nonzero) digits is 716800, while the sum is 43.

Adding to 1422154044547 its reverse (7454404512241), we get a palindrome (8876558556788).

The spelling of 1422154044547 in words is "one trillion, four hundred twenty-two billion, one hundred fifty-four million, forty-four thousand, five hundred forty-seven".