22198671 has 32 divisors (see below), whose sum is σ = 36771840. Its totient is φ = 13118400.

The previous prime is 22198639. The next prime is 22198699. The reversal of 22198671 is 17689122.

It is not a de Polignac number, because 22198671 - 2⁵ = 22198639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22198271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11266 + ... + 13088.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^22198671 is an apocalyptic number.

22198671 is a deficient number, since it is larger than the sum of its proper divisors (14573169).

22198671 is a wasteful number, since it uses less digits than its factorization.

22198671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884 (or 1878 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 22198671 is about 4711.5465613745. The cubic root of 22198671 is about 281.0448673095.

The spelling of 22198671 in words is "twenty-two million, one hundred ninety-eight thousand, six hundred seventy-one".