22489507 has 2 divisors, whose sum is σ = 22489508. Its totient is φ = 22489506.

The previous prime is 22489457. The next prime is 22489513. The reversal of 22489507 is 70598422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22489507 - 2¹¹ = 22487459 is a prime.

It is not a weakly prime, because it can be changed into another prime (22489307) 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 as a sum of consecutive naturals, namely, 11244753 + 11244754.

It is an arithmetic number, because the mean of its divisors is an integer number (11244754).

Almost surely, 2^22489507 is an apocalyptic number.

22489507 is a deficient number, since it is larger than the sum of its proper divisors (1).

22489507 is an equidigital number, since it uses as much as digits as its factorization.

22489507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 22489507 is about 4742.3103019520. The cubic root of 22489507 is about 282.2669161024.

The spelling of 22489507 in words is "twenty-two million, four hundred eighty-nine thousand, five hundred seven".