22528007 has 2 divisors, whose sum is σ = 22528008. Its totient is φ = 22528006.

The previous prime is 22527997. The next prime is 22528027. The reversal of 22528007 is 70082522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22528007 - 2¹⁰ = 22526983 is a prime.

It is a super-2 number, since 2×22528007² = 1015022198784098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22528027) 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 as a sum of consecutive naturals, namely, 11264003 + 11264004.

It is an arithmetic number, because the mean of its divisors is an integer number (11264004).

Almost surely, 2^22528007 is an apocalyptic number.

22528007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22528007 is an equidigital number, since it uses as much as digits as its factorization.

22528007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 22528007 is about 4746.3677691473. The cubic root of 22528007 is about 282.4278960785.

The spelling of 22528007 in words is "twenty-two million, five hundred twenty-eight thousand, seven".