2198921127 has 16 divisors (see below), whose sum is σ = 3185373408. Its totient is φ = 1341204480.

The previous prime is 2198921113. The next prime is 2198921149. The reversal of 2198921127 is 7211298912.

2198921127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2198921127 - 2³⁰ = 1125179303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198923127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245074 + ... + 253887.

It is an arithmetic number, because the mean of its divisors is an integer number (199085838).

Almost surely, 2^2198921127 is an apocalyptic number.

2198921127 is a deficient number, since it is larger than the sum of its proper divisors (986452281).

2198921127 is a wasteful number, since it uses less digits than its factorization.

2198921127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499090.

The product of its digits is 36288, while the sum is 42.

The square root of 2198921127 is about 46892.6553630737. The cubic root of 2198921127 is about 1300.3788101197.

The spelling of 2198921127 in words is "two billion, one hundred ninety-eight million, nine hundred twenty-one thousand, one hundred twenty-seven".