2198055425826 has 32 divisors (see below), whose sum is σ = 4771550988288. Its totient is φ = 670999351680.

The previous prime is 2198055425821. The next prime is 2198055425833. The reversal of 2198055425826 is 6285245508912.

It is not an unprimeable number, because it can be changed into a prime (2198055425821) 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, 110935755 + ... + 110955566.

It is an arithmetic number, because the mean of its divisors is an integer number (149110968384).

Almost surely, 2^{2198055425826} is an apocalyptic number.

2198055425826 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2198055425826 is an abundant number, since it is smaller than the sum of its proper divisors (2573495562462).

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

2198055425826 is a wasteful number, since it uses less digits than its factorization.

2198055425826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221891466.

The product of its (nonzero) digits is 13824000, while the sum is 57.

The spelling of 2198055425826 in words is "two trillion, one hundred ninety-eight billion, fifty-five million, four hundred twenty-five thousand, eight hundred twenty-six".