2194697236 has 12 divisors (see below), whose sum is σ = 3841048512. Its totient is φ = 1097254808.

The previous prime is 2194697227. The next prime is 2194697249. The reversal of 2194697236 is 6327964912.

It is a self number, because there is not a number n which added to its sum of digits gives 2194697236.

It is a congruent number.

It is an unprimeable number.

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, 76821 + ... + 101443.

It is an arithmetic number, because the mean of its divisors is an integer number (320087376).

Almost surely, 2^2194697236 is an apocalyptic number.

It is an amenable number.

2194697236 is a deficient number, since it is larger than the sum of its proper divisors (1646351276).

2194697236 is a wasteful number, since it uses less digits than its factorization.

2194697236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46910 (or 46908 counting only the distinct ones).

The product of its digits is 979776, while the sum is 49.

The square root of 2194697236 is about 46847.5958401282. The cubic root of 2194697236 is about 1299.5456471383.

The spelling of 2194697236 in words is "two billion, one hundred ninety-four million, six hundred ninety-seven thousand, two hundred thirty-six".