2249229568 has 18 divisors (see below), whose sum is σ = 4489673594. Its totient is φ = 1124614656.

The previous prime is 2249229551. The next prime is 2249229569. The reversal of 2249229568 is 8659229422.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1981318144 + 267911424 = 44512^2 + 16368^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249229569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4392771 + ... + 4393282.

Almost surely, 2^2249229568 is an apocalyptic number.

It is an amenable number.

2249229568 is a deficient number, since it is larger than the sum of its proper divisors (2240444026).

2249229568 is an frugal number, since it uses more digits than its factorization.

2249229568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8786069 (or 8786055 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 2249229568 is about 47426.0431408736. The cubic root of 2249229568 is about 1310.2211168427.

The spelling of 2249229568 in words is "two billion, two hundred forty-nine million, two hundred twenty-nine thousand, five hundred sixty-eight".