2244577780 has 24 divisors (see below), whose sum is σ = 4714762752. Its totient is φ = 897612192.

The previous prime is 2244577771. The next prime is 2244577789. The reversal of 2244577780 is 877754422.

It is an interprime number because it is at equal distance from previous prime (2244577771) and next prime (2244577789).

It is a self number, because there is not a number n which added to its sum of digits gives 2244577780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244577789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89289 + ... + 111631.

It is an arithmetic number, because the mean of its divisors is an integer number (196448448).

Almost surely, 2^2244577780 is an apocalyptic number.

2244577780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2244577780 is an abundant number, since it is smaller than the sum of its proper divisors (2470184972).

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

2244577780 is a wasteful number, since it uses less digits than its factorization.

2244577780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27375 (or 27373 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 46.

The square root of 2244577780 is about 47376.9752094834. The cubic root of 2244577780 is about 1309.3172403136.

The spelling of 2244577780 in words is "two billion, two hundred forty-four million, five hundred seventy-seven thousand, seven hundred eighty".