2196443442 has 32 divisors (see below), whose sum is σ = 4461283008. Its totient is φ = 720810176.

The previous prime is 2196443411. The next prime is 2196443497. The reversal of 2196443442 is 2443446912.

It is a super-3 number, since 3×2196443442³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2196443442.

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 15 ways as a sum of consecutive naturals, for example, 138388 + ... + 153440.

It is an arithmetic number, because the mean of its divisors is an integer number (139415094).

Almost surely, 2^2196443442 is an apocalyptic number.

2196443442 is an abundant number, since it is smaller than the sum of its proper divisors (2264839566).

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

2196443442 is a wasteful number, since it uses less digits than its factorization.

2196443442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15434.

The product of its digits is 165888, while the sum is 39.

The square root of 2196443442 is about 46866.2292274512. The cubic root of 2196443442 is about 1299.8902159756.

The spelling of 2196443442 in words is "two billion, one hundred ninety-six million, four hundred forty-three thousand, four hundred forty-two".