2224919549 has 2 divisors, whose sum is σ = 2224919550. Its totient is φ = 2224919548.

The previous prime is 2224919539. The next prime is 2224919579. The reversal of 2224919549 is 9459194222.

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., 1594005625 + 630913924 = 39925^2 + 25118^2 .

It is a cyclic number.

It is not a de Polignac number, because 2224919549 - 2⁸ = 2224919293 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2224919539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112459774 + 1112459775.

It is an arithmetic number, because the mean of its divisors is an integer number (1112459775).

Almost surely, 2^2224919549 is an apocalyptic number.

It is an amenable number.

2224919549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2224919549 is an equidigital number, since it uses as much as digits as its factorization.

2224919549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The square root of 2224919549 is about 47169.0528736798. The cubic root of 2224919549 is about 1305.4836507778.

The spelling of 2224919549 in words is "two billion, two hundred twenty-four million, nine hundred nineteen thousand, five hundred forty-nine".