22809057 has 8 divisors (see below), whose sum is σ = 31234176. Its totient is φ = 14794992.

The previous prime is 22809047. The next prime is 22809071. The reversal of 22809057 is 75090822.

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

It is not a de Polignac number, because 22809057 - 2¹¹ = 22807009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22809037) by changing a digit.

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, 102633 + ... + 102854.

It is an arithmetic number, because the mean of its divisors is an integer number (3904272).

Almost surely, 2^22809057 is an apocalyptic number.

It is an amenable number.

22809057 is a deficient number, since it is larger than the sum of its proper divisors (8425119).

22809057 is a wasteful number, since it uses less digits than its factorization.

22809057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205527.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 22809057 is about 4775.8828503220. The cubic root of 22809057 is about 283.5975296577.

Adding to 22809057 its reverse (75090822), we get a palindrome (97899879).

The spelling of 22809057 in words is "twenty-two million, eight hundred nine thousand, fifty-seven".