2225154043169 has 2 divisors, whose sum is σ = 2225154043170. Its totient is φ = 2225154043168.

The previous prime is 2225154043121. The next prime is 2225154043171. The reversal of 2225154043169 is 9613404515222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1486173113569 + 738980929600 = 1219087^2 + 859640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2225154043169 is a prime.

It is a super-2 number, since 2×2225154043169² (a number of 25 digits) contains 22 as substring.

Together with 2225154043171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2225154043199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112577021584 + 1112577021585.

It is an arithmetic number, because the mean of its divisors is an integer number (1112577021585).

Almost surely, 2^{2225154043169} is an apocalyptic number.

It is an amenable number.

2225154043169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225154043169 is an equidigital number, since it uses as much as digits as its factorization.

2225154043169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 2225154043169 in words is "two trillion, two hundred twenty-five billion, one hundred fifty-four million, forty-three thousand, one hundred sixty-nine".