2277656532 has 72 divisors (see below), whose sum is σ = 6199502400. Its totient is φ = 702436608.

The previous prime is 2277656527. The next prime is 2277656543. The reversal of 2277656532 is 2356567722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4569 + ... + 67647.

It is an arithmetic number, because the mean of its divisors is an integer number (86104200).

Almost surely, 2^2277656532 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 2277656532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3099751200).

2277656532 is an abundant number, since it is smaller than the sum of its proper divisors (3921845868).

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

2277656532 is a wasteful number, since it uses less digits than its factorization.

2277656532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63165 (or 63160 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The square root of 2277656532 is about 47724.7999681507. The cubic root of 2277656532 is about 1315.7177828445.

The spelling of 2277656532 in words is "two billion, two hundred seventy-seven million, six hundred fifty-six thousand, five hundred thirty-two".