2188951244 has 6 divisors (see below), whose sum is σ = 3830664684. Its totient is φ = 1094475620.

The previous prime is 2188951243. The next prime is 2188951273. The reversal of 2188951244 is 4421598812.

2188951244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2188951195 and 2188951204.

It is not an unprimeable number, because it can be changed into a prime (2188951243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273618902 + ... + 273618909.

It is an arithmetic number, because the mean of its divisors is an integer number (638444114).

Almost surely, 2^2188951244 is an apocalyptic number.

It is an amenable number.

2188951244 is a deficient number, since it is larger than the sum of its proper divisors (1641713440).

2188951244 is a wasteful number, since it uses less digits than its factorization.

2188951244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547237815 (or 547237813 counting only the distinct ones).

The product of its digits is 184320, while the sum is 44.

The square root of 2188951244 is about 46786.2292133059. The cubic root of 2188951244 is about 1298.4105315615.

The spelling of 2188951244 in words is "two billion, one hundred eighty-eight million, nine hundred fifty-one thousand, two hundred forty-four".