22798971 has 12 divisors (see below), whose sum is σ = 35465248. Its totient is φ = 14030064.

The previous prime is 22798969. The next prime is 22798991. The reversal of 22798971 is 17989722.

It is not a de Polignac number, because 22798971 - 2¹ = 22798969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22798931) 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, 97315 + ... + 97548.

Almost surely, 2^22798971 is an apocalyptic number.

22798971 is a deficient number, since it is larger than the sum of its proper divisors (12666277).

22798971 is a wasteful number, since it uses less digits than its factorization.

22798971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194882 (or 194879 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 22798971 is about 4774.8268031417. The cubic root of 22798971 is about 283.5557219027. Note that the first 3 decimals are identical.

Subtracting from 22798971 its reverse (17989722), we obtain a square (4809249 = 2193²).

The spelling of 22798971 in words is "twenty-two million, seven hundred ninety-eight thousand, nine hundred seventy-one".