2197505880 has 48 divisors (see below), whose sum is σ = 7141895280. Its totient is φ = 586001472.

The previous prime is 2197505873. The next prime is 2197505929. The reversal of 2197505880 is 885057912.

It is a happy number.

2197505880 is a `hidden beast` number, since 2 + 19 + 7 + 50 + 588 + 0 = 666.

2197505880 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3051732 + ... + 3052451.

It is an arithmetic number, because the mean of its divisors is an integer number (148789485).

Almost surely, 2^2197505880 is an apocalyptic number.

2197505880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2197505880 is an abundant number, since it is smaller than the sum of its proper divisors (4944389400).

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

2197505880 is a wasteful number, since it uses less digits than its factorization.

2197505880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6104200 (or 6104193 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The square root of 2197505880 is about 46877.5626499501. The cubic root of 2197505880 is about 1300.0997714353.

The spelling of 2197505880 in words is "two billion, one hundred ninety-seven million, five hundred five thousand, eight hundred eighty".