2243454720 has 216 divisors, whose sum is σ = 7760830896. Its totient is φ = 552075264.

The previous prime is 2243454709. The next prime is 2243454721. The reversal of 2243454720 is 274543422.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243454721) 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, 647232 + ... + 650688.

Almost surely, 2^2243454720 is an apocalyptic number.

2243454720 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 2243454720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3880415448).

2243454720 is an abundant number, since it is smaller than the sum of its proper divisors (5517376176).

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

2243454720 is a wasteful number, since it uses less digits than its factorization.

2243454720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507 (or 3480 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 33.

The square root of 2243454720 is about 47365.1213447195. The cubic root of 2243454720 is about 1309.0988344077.

The spelling of 2243454720 in words is "two billion, two hundred forty-three million, four hundred fifty-four thousand, seven hundred twenty".