22002197 has 16 divisors (see below), whose sum is σ = 26138112. Its totient is φ = 18128880.

The previous prime is 22002187. The next prime is 22002203. The reversal of 22002197 is 79120022.

It is not a de Polignac number, because 22002197 - 2¹⁰ = 22001173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19622 + ... + 20712.

It is an arithmetic number, because the mean of its divisors is an integer number (1633632).

Almost surely, 2^22002197 is an apocalyptic number.

It is an amenable number.

22002197 is a deficient number, since it is larger than the sum of its proper divisors (4135915).

22002197 is a wasteful number, since it uses less digits than its factorization.

22002197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 22002197 is about 4690.6499549636. The cubic root of 22002197 is about 280.2132601496.

The spelling of 22002197 in words is "twenty-two million, two thousand, one hundred ninety-seven".