2249187798 has 32 divisors (see below), whose sum is σ = 5284806912. Its totient is φ = 629143200.

The previous prime is 2249187781. The next prime is 2249187803. The reversal of 2249187798 is 8977819422.

2249187798 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1309858 + ... + 1311573.

It is an arithmetic number, because the mean of its divisors is an integer number (165150216).

Almost surely, 2^2249187798 is an apocalyptic number.

2249187798 is an abundant number, since it is smaller than the sum of its proper divisors (3035619114).

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

2249187798 is a wasteful number, since it uses less digits than its factorization.

2249187798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621460.

The product of its digits is 4064256, while the sum is 57.

The square root of 2249187798 is about 47425.6027689686. The cubic root of 2249187798 is about 1310.2130061729.

The spelling of 2249187798 in words is "two billion, two hundred forty-nine million, one hundred eighty-seven thousand, seven hundred ninety-eight".