2227748838 has 48 divisors (see below), whose sum is σ = 5191748784. Its totient is φ = 635416320.

The previous prime is 2227748827. The next prime is 2227748839. The reversal of 2227748838 is 8388477222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2227748839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175258 + ... + 187538.

It is an arithmetic number, because the mean of its divisors is an integer number (108161433).

Almost surely, 2^2227748838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2227748838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2595874392).

2227748838 is an abundant number, since it is smaller than the sum of its proper divisors (2963999946).

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

2227748838 is a wasteful number, since it uses less digits than its factorization.

2227748838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12917 (or 12910 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 51.

The square root of 2227748838 is about 47199.0342909683. The cubic root of 2227748838 is about 1306.0367832877.

The spelling of 2227748838 in words is "two billion, two hundred twenty-seven million, seven hundred forty-eight thousand, eight hundred thirty-eight".