2194244801 has 4 divisors (see below), whose sum is σ = 2507708352. Its totient is φ = 1880781252.

The previous prime is 2194244797. The next prime is 2194244809. The reversal of 2194244801 is 1084424912.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2194244801 - 2² = 2194244797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2194244809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156731765 + ... + 156731778.

It is an arithmetic number, because the mean of its divisors is an integer number (626927088).

Almost surely, 2^2194244801 is an apocalyptic number.

It is an amenable number.

2194244801 is a deficient number, since it is larger than the sum of its proper divisors (313463551).

2194244801 is an equidigital number, since it uses as much as digits as its factorization.

2194244801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313463550.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 2194244801 is about 46842.7667948852. The cubic root of 2194244801 is about 1299.4563409184.

The spelling of 2194244801 in words is "two billion, one hundred ninety-four million, two hundred forty-four thousand, eight hundred one".