1522254452443 has 4 divisors (see below), whose sum is σ = 1522465561368. Its totient is φ = 1522043343520.

The previous prime is 1522254452431. The next prime is 1522254452449. The reversal of 1522254452443 is 3442544522251.

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

It is a cyclic number.

It is not a de Polignac number, because 1522254452443 - 2⁹ = 1522254451931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1522254452443.

It is not an unprimeable number, because it can be changed into a prime (1522254452449) 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, 105543646 + ... + 105558067.

It is an arithmetic number, because the mean of its divisors is an integer number (380616390342).

Almost surely, 2^{1522254452443} is an apocalyptic number.

1522254452443 is a deficient number, since it is larger than the sum of its proper divisors (211108925).

1522254452443 is an equidigital number, since it uses as much as digits as its factorization.

1522254452443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211108924.

The product of its digits is 1536000, while the sum is 43.

Adding to 1522254452443 its reverse (3442544522251), we get a palindrome (4964798974694).

The spelling of 1522254452443 in words is "one trillion, five hundred twenty-two billion, two hundred fifty-four million, four hundred fifty-two thousand, four hundred forty-three".