2198456055 has 24 divisors (see below), whose sum is σ = 3899280528. Its totient is φ = 1145241216.

The previous prime is 2198456027. The next prime is 2198456069. The reversal of 2198456055 is 5506548912.

2198456055 is a `hidden beast` number, since 2 + 1 + 9 + 84 + 560 + 5 + 5 = 666.

2198456055 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 2198456055 - 2⁹ = 2198455543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2198456055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 566142 + ... + 570011.

It is an arithmetic number, because the mean of its divisors is an integer number (162470022).

Almost surely, 2^2198456055 is an apocalyptic number.

2198456055 is a deficient number, since it is larger than the sum of its proper divisors (1700824473).

2198456055 is a wasteful number, since it uses less digits than its factorization.

2198456055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136207 (or 1136204 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The square root of 2198456055 is about 46887.6962006026. The cubic root of 2198456055 is about 1300.2871269138.

The spelling of 2198456055 in words is "two billion, one hundred ninety-eight million, four hundred fifty-six thousand, fifty-five".