1473221388 has 48 divisors (see below), whose sum is σ = 3489615360. Its totient is φ = 483662400.

The previous prime is 1473221363. The next prime is 1473221419. The reversal of 1473221388 is 8831223741.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 435343 + ... + 438713.

It is an arithmetic number, because the mean of its divisors is an integer number (72700320).

Almost surely, 2^1473221388 is an apocalyptic number.

It is an amenable number.

1473221388 is an abundant number, since it is smaller than the sum of its proper divisors (2016393972).

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

1473221388 is a wasteful number, since it uses less digits than its factorization.

1473221388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918 (or 3916 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 1473221388 is about 38382.5661987314. The cubic root of 1473221388 is about 1137.8613304140.

The spelling of 1473221388 in words is "one billion, four hundred seventy-three million, two hundred twenty-one thousand, three hundred eighty-eight".