22589745 has 8 divisors (see below), whose sum is σ = 36143616. Its totient is φ = 12047856.

The previous prime is 22589711. The next prime is 22589767. The reversal of 22589745 is 54798522.

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

It is not a de Polignac number, because 22589745 - 2¹³ = 22581553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22589697 and 22589706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752977 + ... + 753006.

It is an arithmetic number, because the mean of its divisors is an integer number (4517952).

Almost surely, 2^22589745 is an apocalyptic number.

It is an amenable number.

22589745 is a deficient number, since it is larger than the sum of its proper divisors (13553871).

22589745 is a wasteful number, since it uses less digits than its factorization.

22589745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505991.

The product of its digits is 201600, while the sum is 42.

The square root of 22589745 is about 4752.8670294886. The cubic root of 22589745 is about 282.6856586254.

The spelling of 22589745 in words is "twenty-two million, five hundred eighty-nine thousand, seven hundred forty-five".