2227744272 has 160 divisors (see below), whose sum is σ = 6448337280. Its totient is φ = 658022400.

The previous prime is 2227744249. The next prime is 2227744273. The reversal of 2227744272 is 2724477222.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2227744272.

It is not an unprimeable number, because it can be changed into a prime (2227744273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5555272 + ... + 5555672.

It is an arithmetic number, because the mean of its divisors is an integer number (40302108).

Almost surely, 2^2227744272 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 2227744272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3224168640).

2227744272 is an abundant number, since it is smaller than the sum of its proper divisors (4220593008).

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

2227744272 is a wasteful number, since it uses less digits than its factorization.

2227744272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761 (or 755 counting only the distinct ones).

The product of its digits is 175616, while the sum is 39.

The square root of 2227744272 is about 47198.9859213098. The cubic root of 2227744272 is about 1306.0358910015.

The spelling of 2227744272 in words is "two billion, two hundred twenty-seven million, seven hundred forty-four thousand, two hundred seventy-two".