22786047 has 12 divisors (see below), whose sum is σ = 33284160. Its totient is φ = 15019488.

The previous prime is 22786039. The next prime is 22786061. The reversal of 22786047 is 74068722.

It is not a de Polignac number, because 22786047 - 2³ = 22786039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22786007) 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, 13423 + ... + 15024.

It is an arithmetic number, because the mean of its divisors is an integer number (2773680).

Almost surely, 2^22786047 is an apocalyptic number.

22786047 is a deficient number, since it is larger than the sum of its proper divisors (10498113).

22786047 is a wasteful number, since it uses less digits than its factorization.

22786047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28542 (or 28539 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 22786047 is about 4773.4732637776. The cubic root of 22786047 is about 283.5021322498.

The spelling of 22786047 in words is "twenty-two million, seven hundred eighty-six thousand, forty-seven".