2228776432 has 40 divisors (see below), whose sum is σ = 4634944416. Its totient is φ = 1034459136.

The previous prime is 2228776423. The next prime is 2228776439. The reversal of 2228776432 is 2346778222.

It is a happy number.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228776439) 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, 36268 + ... + 75979.

Almost surely, 2^2228776432 is an apocalyptic number.

It is an amenable number.

2228776432 is an abundant number, since it is smaller than the sum of its proper divisors (2406167984).

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

2228776432 is a wasteful number, since it uses less digits than its factorization.

2228776432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112345 (or 112339 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The square root of 2228776432 is about 47209.9187883224. The cubic root of 2228776432 is about 1306.2375643391.

The spelling of 2228776432 in words is "two billion, two hundred twenty-eight million, seven hundred seventy-six thousand, four hundred thirty-two".