1022233021543 has 4 divisors (see below), whose sum is σ = 1033718785920. Its totient is φ = 1010747257168.

The previous prime is 1022233021531. The next prime is 1022233021547. The reversal of 1022233021543 is 3451203322201.

It is a happy number.

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-1022233021543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022233021547) 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 3 ways as a sum of consecutive naturals, for example, 5742882055 + ... + 5742882232.

It is an arithmetic number, because the mean of its divisors is an integer number (258429696480).

Almost surely, 2^{1022233021543} is an apocalyptic number.

1022233021543 is a deficient number, since it is larger than the sum of its proper divisors (11485764377).

1022233021543 is an equidigital number, since it uses as much as digits as its factorization.

1022233021543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11485764376.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 1022233021543 its reverse (3451203322201), we get a palindrome (4473436343744).

The spelling of 1022233021543 in words is "one trillion, twenty-two billion, two hundred thirty-three million, twenty-one thousand, five hundred forty-three".