2198505045 has 32 divisors (see below), whose sum is σ = 3844298880. Its totient is φ = 1064023040.

The previous prime is 2198505019. The next prime is 2198505121. The reversal of 2198505045 is 5405058912.

It is not a de Polignac number, because 2198505045 - 2¹⁷ = 2198373973 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2198504994 and 2198505012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82177 + ... + 105593.

It is an arithmetic number, because the mean of its divisors is an integer number (120134340).

Almost surely, 2^2198505045 is an apocalyptic number.

It is an amenable number.

2198505045 is a deficient number, since it is larger than the sum of its proper divisors (1645793835).

2198505045 is a wasteful number, since it uses less digits than its factorization.

2198505045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24005.

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 2198505045 is about 46888.2186161940. The cubic root of 2198505045 is about 1300.2967852970.

The spelling of 2198505045 in words is "two billion, one hundred ninety-eight million, five hundred five thousand, forty-five".