1528223564 has 36 divisors (see below), whose sum is σ = 3113483184. Its totient is φ = 654435936.

The previous prime is 1528223563. The next prime is 1528223591. The reversal of 1528223564 is 4653228251.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1528223563) 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 11 ways as a sum of consecutive naturals, for example, 347282 + ... + 351654.

It is an arithmetic number, because the mean of its divisors is an integer number (86485644).

Almost surely, 2^1528223564 is an apocalyptic number.

1528223564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1528223564 is an abundant number, since it is smaller than the sum of its proper divisors (1585259620).

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

1528223564 is a wasteful number, since it uses less digits than its factorization.

1528223564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174 (or 6165 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 1528223564 is about 39092.5000991239. The cubic root of 1528223564 is about 1151.8492148888.

The spelling of 1528223564 in words is "one billion, five hundred twenty-eight million, two hundred twenty-three thousand, five hundred sixty-four".