2249192450 has 54 divisors (see below), whose sum is σ = 4427813979. Its totient is φ = 849911040.

The previous prime is 2249192401. The next prime is 2249192521. The reversal of 2249192450 is 542919422.

It can be written as a sum of positive squares in 5 ways, for example, as 612909049 + 1636283401 = 24757^2 + 40451^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33535.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6371474 + ... + 6371826.

Almost surely, 2^2249192450 is an apocalyptic number.

2249192450 is a deficient number, since it is larger than the sum of its proper divisors (2178621529).

2249192450 is an equidigital number, since it uses as much as digits as its factorization.

2249192450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2249192450 is about 47425.6518141817. The cubic root of 2249192450 is about 1310.2139094777.

The spelling of 2249192450 in words is "two billion, two hundred forty-nine million, one hundred ninety-two thousand, four hundred fifty".