2227878612 has 108 divisors (see below), whose sum is σ = 5907571488. Its totient is φ = 707767200.

The previous prime is 2227878559. The next prime is 2227878619. The reversal of 2227878612 is 2168787222.

2227878612 is a `hidden beast` number, since 2 + 2 + 27 + 8 + 7 + 8 + 612 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2227878619) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2455863 + ... + 2456769.

It is an arithmetic number, because the mean of its divisors is an integer number (54699736).

Almost surely, 2^2227878612 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 2227878612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2953785744).

2227878612 is an abundant number, since it is smaller than the sum of its proper divisors (3679692876).

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

2227878612 is a wasteful number, since it uses less digits than its factorization.

2227878612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050 (or 1014 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 2227878612 is about 47200.4090236515. The cubic root of 2227878612 is about 1306.0621431672.

The spelling of 2227878612 in words is "two billion, two hundred twenty-seven million, eight hundred seventy-eight thousand, six hundred twelve".