2195974814 has 16 divisors (see below), whose sum is σ = 3617535600. Its totient is φ = 991469760.

The previous prime is 2195974763. The next prime is 2195974819. The reversal of 2195974814 is 4184795912.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195974819) 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 7 ways as a sum of consecutive naturals, for example, 331679 + ... + 338234.

It is an arithmetic number, because the mean of its divisors is an integer number (226095975).

Almost surely, 2^2195974814 is an apocalyptic number.

2195974814 is a deficient number, since it is larger than the sum of its proper divisors (1421560786).

2195974814 is a wasteful number, since it uses less digits than its factorization.

2195974814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670075.

The product of its digits is 725760, while the sum is 50.

The square root of 2195974814 is about 46861.2293265979. The cubic root of 2195974814 is about 1299.7977622284.

The spelling of 2195974814 in words is "two billion, one hundred ninety-five million, nine hundred seventy-four thousand, eight hundred fourteen".