2197539528 has 32 divisors (see below), whose sum is σ = 5496543360. Its totient is φ = 732153920.

The previous prime is 2197539521. The next prime is 2197539529. The reversal of 2197539528 is 8259357912.

2197539528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2197539521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30001 + ... + 72767.

It is an arithmetic number, because the mean of its divisors is an integer number (171766980).

Almost surely, 2^2197539528 is an apocalyptic number.

It is an amenable number.

2197539528 is an abundant number, since it is smaller than the sum of its proper divisors (3299003832).

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

2197539528 is a wasteful number, since it uses less digits than its factorization.

2197539528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44917 (or 44913 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 51.

The square root of 2197539528 is about 46877.9215409557. The cubic root of 2197539528 is about 1300.1064070693.

The spelling of 2197539528 in words is "two billion, one hundred ninety-seven million, five hundred thirty-nine thousand, five hundred twenty-eight".