22988647 has 8 divisors (see below), whose sum is σ = 25136640. Its totient is φ = 20850360.

The previous prime is 22988627. The next prime is 22988653. The reversal of 22988647 is 74688922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22988647 - 2⁷ = 22988519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22988597 and 22988606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22988627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3088 + ... + 7450.

It is an arithmetic number, because the mean of its divisors is an integer number (3142080).

Almost surely, 2^22988647 is an apocalyptic number.

22988647 is a deficient number, since it is larger than the sum of its proper divisors (2147993).

22988647 is a wasteful number, since it uses less digits than its factorization.

22988647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853.

The product of its digits is 387072, while the sum is 46.

The square root of 22988647 is about 4794.6477451425. The cubic root of 22988647 is about 284.3398983684.

The spelling of 22988647 in words is "twenty-two million, nine hundred eighty-eight thousand, six hundred forty-seven".