2098220566 has 32 divisors (see below), whose sum is σ = 3464778240. Its totient is φ = 947115936.

The previous prime is 2098220539. The next prime is 2098220567. The reversal of 2098220566 is 6650228902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098220567) 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, 215005 + ... + 224551.

It is an arithmetic number, because the mean of its divisors is an integer number (108274320).

Almost surely, 2^2098220566 is an apocalyptic number.

2098220566 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2098220566 is a deficient number, since it is larger than the sum of its proper divisors (1366557674).

2098220566 is a wasteful number, since it uses less digits than its factorization.

2098220566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9748.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 2098220566 is about 45806.3376182816. The cubic root of 2098220566 is about 1280.2173633956.

The spelling of 2098220566 in words is "two billion, ninety-eight million, two hundred twenty thousand, five hundred sixty-six".