2244915780 has 48 divisors (see below), whose sum is σ = 6392312640. Its totient is φ = 588496768.

The previous prime is 2244915769. The next prime is 2244915821. The reversal of 2244915780 is 875194422.

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, 313539 + ... + 320618.

It is an arithmetic number, because the mean of its divisors is an integer number (133173180).

Almost surely, 2^2244915780 is an apocalyptic number.

2244915780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2244915780 is an abundant number, since it is smaller than the sum of its proper divisors (4147396860).

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

2244915780 is a wasteful number, since it uses less digits than its factorization.

2244915780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634228 (or 634226 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2244915780 is about 47380.5422088013. The cubic root of 2244915780 is about 1309.3829582434.

The spelling of 2244915780 in words is "two billion, two hundred forty-four million, nine hundred fifteen thousand, seven hundred eighty".