2222513272549 has 2 divisors, whose sum is σ = 2222513272550. Its totient is φ = 2222513272548.

The previous prime is 2222513272531. The next prime is 2222513272597. The reversal of 2222513272549 is 9452723152222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1664680550625 + 557832721924 = 1290225^2 + 746882^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222513272549 - 2²³ = 2222504883941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2222513272499 and 2222513272508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222513272519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111256636274 + 1111256636275.

It is an arithmetic number, because the mean of its divisors is an integer number (1111256636275).

Almost surely, 2^{2222513272549} is an apocalyptic number.

It is an amenable number.

2222513272549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222513272549 is an equidigital number, since it uses as much as digits as its factorization.

2222513272549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 46.

The spelling of 2222513272549 in words is "two trillion, two hundred twenty-two billion, five hundred thirteen million, two hundred seventy-two thousand, five hundred forty-nine".