2195555912 has 32 divisors (see below), whose sum is σ = 4495871520. Its totient is φ = 996877440.

The previous prime is 2195555893. The next prime is 2195555927.

2195555912 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69143 + ... + 95769.

It is an arithmetic number, because the mean of its divisors is an integer number (140495985).

Almost surely, 2^2195555912 is an apocalyptic number.

2195555912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2195555912 is an abundant number, since it is smaller than the sum of its proper divisors (2300315608).

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

2195555912 is a wasteful number, since it uses less digits than its factorization.

2195555912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27581 (or 27577 counting only the distinct ones).

The product of its digits is 202500, while the sum is 44.

The square root of 2195555912 is about 46856.7595123692. The cubic root of 2195555912 is about 1299.7151075907.

The spelling of 2195555912 in words is "two billion, one hundred ninety-five million, five hundred fifty-five thousand, nine hundred twelve".