1479732228 has 144 divisors (see below), whose sum is σ = 4140143280. Its totient is φ = 445446144.

The previous prime is 1479732223. The next prime is 1479732251. The reversal of 1479732228 is 8222379741.

It can be written as a sum of positive squares in 8 ways, for example, as 924281604 + 555450624 = 30402^2 + 23568^2 .

It is not an unprimeable number, because it can be changed into a prime (1479732223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4191700 + ... + 4192052.

It is an arithmetic number, because the mean of its divisors is an integer number (28750995).

Almost surely, 2^1479732228 is an apocalyptic number.

1479732228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1479732228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2070071640).

1479732228 is an abundant number, since it is smaller than the sum of its proper divisors (2660411052).

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

1479732228 is a wasteful number, since it uses less digits than its factorization.

1479732228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 424 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 1479732228 is about 38467.2877650608. The cubic root of 1479732228 is about 1139.5351105372.

The spelling of 1479732228 in words is "one billion, four hundred seventy-nine million, seven hundred thirty-two thousand, two hundred twenty-eight".