2193147 has 12 divisors (see below), whose sum is σ = 3456024. Its totient is φ = 1329120.

The previous prime is 2193137. The next prime is 2193167. The reversal of 2193147 is 7413912.

It is not a de Polignac number, because 2193147 - 2⁷ = 2193019 is a prime.

It is a super-3 number, since 3×2193147³ = 31646412233933362569, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2193147.

It is not an unprimeable number, because it can be changed into a prime (2193127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10978 + ... + 11175.

It is an arithmetic number, because the mean of its divisors is an integer number (288002).

2^2193147 is an apocalyptic number.

2193147 is a deficient number, since it is larger than the sum of its proper divisors (1262877).

2193147 is a wasteful number, since it uses less digits than its factorization.

2193147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22170 (or 22167 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 2193147 is about 1480.9277497569. The cubic root of 2193147 is about 129.9239594753.

The spelling of 2193147 in words is "two million, one hundred ninety-three thousand, one hundred forty-seven".