1528223116 has 12 divisors (see below), whose sum is σ = 3056446288. Its totient is φ = 654952752.

The previous prime is 1528223107. The next prime is 1528223117. The reversal of 1528223116 is 6113228251.

1528223116 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1528223117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27289671 + ... + 27289726.

Almost surely, 2^1528223116 is an apocalyptic number.

It is an amenable number.

1528223116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1528223116 is a wasteful number, since it uses less digits than its factorization.

1528223116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54579408 (or 54579406 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 1528223116 is about 39092.4943691241. The cubic root of 1528223116 is about 1151.8491023336.

The spelling of 1528223116 in words is "one billion, five hundred twenty-eight million, two hundred twenty-three thousand, one hundred sixteen".