2194547716 has 27 divisors (see below), whose sum is σ = 3916519509. Its totient is φ = 1075958928.

The previous prime is 2194547701. The next prime is 2194547717. The reversal of 2194547716 is 6177454912.

The square root of 2194547716 is 46846.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1470722500 + 723825216 = 38350^2 + 26904^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2194547717) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5527630 + ... + 5528026.

Almost surely, 2^2194547716 is an apocalyptic number.

2194547716 is the 46846-th square number.

It is an amenable number.

2194547716 is a deficient number, since it is larger than the sum of its proper divisors (1721971793).

2194547716 is an frugal number, since it uses more digits than its factorization.

2194547716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 458 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The cubic root of 2194547716 is about 1299.5161347186.

The spelling of 2194547716 in words is "two billion, one hundred ninety-four million, five hundred forty-seven thousand, seven hundred sixteen".