22689081 has 24 divisors (see below), whose sum is σ = 33606144. Its totient is φ = 14747040.

The previous prime is 22689071. The next prime is 22689083. The reversal of 22689081 is 18098622.

It is not a de Polignac number, because 22689081 - 2¹¹ = 22687033 is a prime.

It is a super-2 number, since 2×22689081² = 1029588793249122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22689083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115075 + ... + 115271.

It is an arithmetic number, because the mean of its divisors is an integer number (1400256).

Almost surely, 2^22689081 is an apocalyptic number.

It is an amenable number.

22689081 is a deficient number, since it is larger than the sum of its proper divisors (10917063).

22689081 is a wasteful number, since it uses less digits than its factorization.

22689081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 22689081 is about 4763.3056798824. The cubic root of 22689081 is about 283.0994127718.

The spelling of 22689081 in words is "twenty-two million, six hundred eighty-nine thousand, eighty-one".