2249445120 has 144 divisors (see below), whose sum is σ = 7736965152. Its totient is φ = 553697280.

The previous prime is 2249445073. The next prime is 2249445137. The reversal of 2249445120 is 215449422.

It is a happy number.

It is a congruent number.

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, 27390 + ... + 72450.

Almost surely, 2^2249445120 is an apocalyptic number.

2249445120 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 2249445120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3868482576).

2249445120 is an abundant number, since it is smaller than the sum of its proper divisors (5487520032).

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

2249445120 is a wasteful number, since it uses less digits than its factorization.

2249445120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45098 (or 45084 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 2249445120 is about 47428.3155931138. The cubic root of 2249445120 is about 1310.2629699531.

The spelling of 2249445120 in words is "two billion, two hundred forty-nine million, four hundred forty-five thousand, one hundred twenty".