22489047 has 12 divisors (see below), whose sum is σ = 37124880. Its totient is φ = 12850848.

The previous prime is 22489039. The next prime is 22489091. The reversal of 22489047 is 74098422.

It is not a de Polignac number, because 22489047 - 2³ = 22489039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22489097) 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, 178422 + ... + 178547.

It is an arithmetic number, because the mean of its divisors is an integer number (3093740).

Almost surely, 2^22489047 is an apocalyptic number.

22489047 is a deficient number, since it is larger than the sum of its proper divisors (14635833).

22489047 is a wasteful number, since it uses less digits than its factorization.

22489047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356982 (or 356979 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 22489047 is about 4742.2618021362. The cubic root of 22489047 is about 282.2649915950.

The spelling of 22489047 in words is "twenty-two million, four hundred eighty-nine thousand, forty-seven".