2244513780 has 48 divisors (see below), whose sum is σ = 6982933440. Its totient is φ = 598536864.

The previous prime is 2244513773. The next prime is 2244513781. The reversal of 2244513780 is 873154422.

It is a happy number.

2244513780 is a `hidden beast` number, since 2 + 2 + 445 + 137 + 80 = 666.

2244513780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244513781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2077714 + ... + 2078793.

It is an arithmetic number, because the mean of its divisors is an integer number (145477780).

Almost surely, 2^2244513780 is an apocalyptic number.

2244513780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2244513780 is an abundant number, since it is smaller than the sum of its proper divisors (4738419660).

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

2244513780 is a wasteful number, since it uses less digits than its factorization.

2244513780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156525 (or 4156517 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2244513780 is about 47376.2997710881. The cubic root of 2244513780 is about 1309.3047959390.

The spelling of 2244513780 in words is "two billion, two hundred forty-four million, five hundred thirteen thousand, seven hundred eighty".