2265045198 has 64 divisors (see below), whose sum is σ = 5100157440. Its totient is φ = 665394048.

The previous prime is 2265045191. The next prime is 2265045199. The reversal of 2265045198 is 8915405622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265045191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1486465 + ... + 1487987.

It is an arithmetic number, because the mean of its divisors is an integer number (79689960).

Almost surely, 2^2265045198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2265045198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2550078720).

2265045198 is an abundant number, since it is smaller than the sum of its proper divisors (2835112242).

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

2265045198 is a wasteful number, since it uses less digits than its factorization.

2265045198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 2265045198 is about 47592.4909833474. The cubic root of 2265045198 is about 1313.2849202839.

The spelling of 2265045198 in words is "two billion, two hundred sixty-five million, forty-five thousand, one hundred ninety-eight".