2245343688 has 96 divisors (see below), whose sum is σ = 7037971200. Its totient is φ = 633394944.

The previous prime is 2245343687. The next prime is 2245343701. The reversal of 2245343688 is 8863435422.

2245343688 is a `hidden beast` number, since 2 + 2 + 4 + 534 + 36 + 88 = 666.

It is not an unprimeable number, because it can be changed into a prime (2245343687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11620 + ... + 68012.

It is an arithmetic number, because the mean of its divisors is an integer number (73312200).

Almost surely, 2^2245343688 is an apocalyptic number.

2245343688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2245343688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3518985600).

2245343688 is an abundant number, since it is smaller than the sum of its proper divisors (4792627512).

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

2245343688 is a wasteful number, since it uses less digits than its factorization.

2245343688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56491 (or 56484 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The square root of 2245343688 is about 47385.0576447892. The cubic root of 2245343688 is about 1309.4661476815.

The spelling of 2245343688 in words is "two billion, two hundred forty-five million, three hundred forty-three thousand, six hundred eighty-eight".