2212212113477 has 2 divisors, whose sum is σ = 2212212113478. Its totient is φ = 2212212113476.

The previous prime is 2212212113459. The next prime is 2212212113509. The reversal of 2212212113477 is 7743112122122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2129034092641 + 83178020836 = 1459121^2 + 288406^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212212113477 - 2¹² = 2212212109381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212212113417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106106056738 + 1106106056739.

It is an arithmetic number, because the mean of its divisors is an integer number (1106106056739).

Almost surely, 2^{2212212113477} is an apocalyptic number.

It is an amenable number.

2212212113477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212212113477 is an equidigital number, since it uses as much as digits as its factorization.

2212212113477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 35.

Adding to 2212212113477 its reverse (7743112122122), we get a palindrome (9955324235599).

The spelling of 2212212113477 in words is "two trillion, two hundred twelve billion, two hundred twelve million, one hundred thirteen thousand, four hundred seventy-seven".