2194654900 has 18 divisors (see below), whose sum is σ = 4762401350. Its totient is φ = 877861920.

The previous prime is 2194654883. The next prime is 2194654949. The reversal of 2194654900 is 94564912.

2194654900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 18992164 + 2175662736 = 4358^2 + 46644^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10973175 + ... + 10973374.

Almost surely, 2^2194654900 is an apocalyptic number.

2194654900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2194654900 is an abundant number, since it is smaller than the sum of its proper divisors (2567746450).

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

2194654900 is a wasteful number, since it uses less digits than its factorization.

2194654900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21946563 (or 21946556 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 2194654900 is about 46847.1439897887. The cubic root of 2194654900 is about 1299.5372909488.

The spelling of 2194654900 in words is "two billion, one hundred ninety-four million, six hundred fifty-four thousand, nine hundred".