2196440827 has 6 divisors (see below), whose sum is σ = 2555043468. Its totient is φ = 1882663524.

The previous prime is 2196440819. The next prime is 2196440837. The reversal of 2196440827 is 7280446912.

It is not a de Polignac number, because 2196440827 - 2³ = 2196440819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2196440837) 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 5 ways as a sum of consecutive naturals, for example, 22412613 + ... + 22412710.

It is an arithmetic number, because the mean of its divisors is an integer number (425840578).

Almost surely, 2^2196440827 is an apocalyptic number.

2196440827 is a deficient number, since it is larger than the sum of its proper divisors (358602641).

2196440827 is an equidigital number, since it uses as much as digits as its factorization.

2196440827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44825337 (or 44825330 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 2196440827 is about 46866.2013288895. The cubic root of 2196440827 is about 1299.8897001092.

The spelling of 2196440827 in words is "two billion, one hundred ninety-six million, four hundred forty thousand, eight hundred twenty-seven".