2247775656 has 64 divisors (see below), whose sum is σ = 6438115200. Its totient is φ = 640631808.

The previous prime is 2247775637. The next prime is 2247775693. The reversal of 2247775656 is 6565777422.

It is a happy number.

2247775656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2247775599 and 2247775608.

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, 52356 + ... + 85068.

It is an arithmetic number, because the mean of its divisors is an integer number (100595550).

Almost surely, 2^2247775656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2247775656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3219057600).

2247775656 is an abundant number, since it is smaller than the sum of its proper divisors (4190339544).

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

2247775656 is a wasteful number, since it uses less digits than its factorization.

2247775656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33138 (or 33134 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 51.

The square root of 2247775656 is about 47410.7124603712. The cubic root of 2247775656 is about 1309.9387450720.

The spelling of 2247775656 in words is "two billion, two hundred forty-seven million, seven hundred seventy-five thousand, six hundred fifty-six".