2245544000 has 112 divisors (see below), whose sum is σ = 6355689600. Its totient is φ = 769881600.

The previous prime is 2245543997. The next prime is 2245544011. The reversal of 2245544000 is 4455422.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35951 + ... + 76049.

Almost surely, 2^2245544000 is an apocalyptic number.

2245544000 is a gapful number since it is divisible by the number (20) 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 2245544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3177844800).

2245544000 is an abundant number, since it is smaller than the sum of its proper divisors (4110145600).

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

2245544000 is an equidigital number, since it uses as much as digits as its factorization.

2245544000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40133 (or 40113 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2245544000 is about 47387.1712597408. The cubic root of 2245544000 is about 1309.5050866325.

Adding to 2245544000 its reverse (4455422), we get a palindrome (2249999422).

The spelling of 2245544000 in words is "two billion, two hundred forty-five million, five hundred forty-four thousand".