2197149 has 8 divisors (see below), whose sum is σ = 3001152. Its totient is φ = 1428960.

The previous prime is 2197087. The next prime is 2197157. The reversal of 2197149 is 9417912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2197149 - 2⁷ = 2197021 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8809 + ... + 9054.

It is an arithmetic number, because the mean of its divisors is an integer number (375144).

2^2197149 is an apocalyptic number.

It is an amenable number.

2197149 is a deficient number, since it is larger than the sum of its proper divisors (804003).

2197149 is a wasteful number, since it uses less digits than its factorization.

2197149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17907.

The product of its digits is 4536, while the sum is 33.

The square root of 2197149 is about 1482.2783139478. The cubic root of 2197149 is about 130.0029387896.

It can be divided in two parts, 2197 and 149, that added together give a triangular number (2346 = T₆₈).

The spelling of 2197149 in words is "two million, one hundred ninety-seven thousand, one hundred forty-nine".