2549221548 has 24 divisors (see below), whose sum is σ = 5984680128. Its totient is φ = 844526736.

The previous prime is 2549221541. The next prime is 2549221627. The reversal of 2549221548 is 8451229452.

It is not an unprimeable number, because it can be changed into a prime (2549221541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649686 + ... + 653597.

It is an arithmetic number, because the mean of its divisors is an integer number (249361672).

Almost surely, 2^2549221548 is an apocalyptic number.

It is an amenable number.

2549221548 is an abundant number, since it is smaller than the sum of its proper divisors (3435458580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2549221548 is a wasteful number, since it uses less digits than its factorization.

2549221548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303453 (or 1303451 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 2549221548 is about 50489.8162801173. The cubic root of 2549221548 is about 1366.0581718133.

The spelling of 2549221548 in words is "two billion, five hundred forty-nine million, two hundred twenty-one thousand, five hundred forty-eight".