1222122211589 has 2 divisors, whose sum is σ = 1222122211590. Its totient is φ = 1222122211588.

The previous prime is 1222122211577. The next prime is 1222122211601. The reversal of 1222122211589 is 9851122212221.

It is a balanced prime because it is at equal distance from previous prime (1222122211577) and next prime (1222122211601).

It can be written as a sum of positive squares in only one way, i.e., 1199265912100 + 22856299489 = 1095110^2 + 151183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222122211589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222122211549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611061105794 + 611061105795.

It is an arithmetic number, because the mean of its divisors is an integer number (611061105795).

Almost surely, 2^{1222122211589} is an apocalyptic number.

It is an amenable number.

1222122211589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222122211589 is an equidigital number, since it uses as much as digits as its factorization.

1222122211589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 38.

The spelling of 1222122211589 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred eleven thousand, five hundred eighty-nine".