2197490207 has 4 divisors (see below), whose sum is σ = 2397262056. Its totient is φ = 1997718360.

The previous prime is 2197490203. The next prime is 2197490209. The reversal of 2197490207 is 7020947912.

2197490207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2197490207 - 2² = 2197490203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197490203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99885908 + ... + 99885929.

It is an arithmetic number, because the mean of its divisors is an integer number (599315514).

Almost surely, 2^2197490207 is an apocalyptic number.

2197490207 is a deficient number, since it is larger than the sum of its proper divisors (199771849).

2197490207 is a wasteful number, since it uses less digits than its factorization.

2197490207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199771848.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 2197490207 is about 46877.3954801245. The cubic root of 2197490207 is about 1300.0966805809.

The spelling of 2197490207 in words is "two billion, one hundred ninety-seven million, four hundred ninety thousand, two hundred seven".