22485789 has 16 divisors (see below), whose sum is σ = 34761600. Its totient is φ = 14338368.

The previous prime is 22485769. The next prime is 22485791. The reversal of 22485789 is 98758422.

It is a de Polignac number, because none of the positive numbers 2^k-22485789 is a prime.

It is a super-2 number, since 2×22485789² = 1011221413905042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22485709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17484 + ... + 18725.

It is an arithmetic number, because the mean of its divisors is an integer number (2172600).

Almost surely, 2^22485789 is an apocalyptic number.

It is an amenable number.

22485789 is a deficient number, since it is larger than the sum of its proper divisors (12275811).

22485789 is a wasteful number, since it uses less digits than its factorization.

22485789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36241 (or 36235 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 22485789 is about 4741.9182827206. The cubic root of 22485789 is about 282.2513603111.

The spelling of 22485789 in words is "twenty-two million, four hundred eighty-five thousand, seven hundred eighty-nine".