1222020015443 has 2 divisors, whose sum is σ = 1222020015444. Its totient is φ = 1222020015442.

The previous prime is 1222020015439. The next prime is 1222020015451. The reversal of 1222020015443 is 3445100202221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222020015443 - 2² = 1222020015439 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222020015473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611010007721 + 611010007722.

It is an arithmetic number, because the mean of its divisors is an integer number (611010007722).

Almost surely, 2^{1222020015443} is an apocalyptic number.

1222020015443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222020015443 is an equidigital number, since it uses as much as digits as its factorization.

1222020015443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 1222020015443 its reverse (3445100202221), we get a palindrome (4667120217664).

The spelling of 1222020015443 in words is "one trillion, two hundred twenty-two billion, twenty million, fifteen thousand, four hundred forty-three".