1222043044381 has 2 divisors, whose sum is σ = 1222043044382. Its totient is φ = 1222043044380.

The previous prime is 1222043044363. The next prime is 1222043044403. The reversal of 1222043044381 is 1834403402221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1178724947481 + 43318096900 = 1085691^2 + 208130^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222043044381 - 2³¹ = 1219895560733 is a prime.

It is a super-2 number, since 2×1222043044381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222043044681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611021522190 + 611021522191.

It is an arithmetic number, because the mean of its divisors is an integer number (611021522191).

Almost surely, 2^{1222043044381} is an apocalyptic number.

It is an amenable number.

1222043044381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222043044381 is an equidigital number, since it uses as much as digits as its factorization.

1222043044381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 1222043044381 in words is "one trillion, two hundred twenty-two billion, forty-three million, forty-four thousand, three hundred eighty-one".