22529047 has 2 divisors, whose sum is σ = 22529048. Its totient is φ = 22529046.

The previous prime is 22528999. The next prime is 22529051. The reversal of 22529047 is 74092522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22529047 - 2²³ = 14140439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22529057) 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, 11264523 + 11264524.

It is an arithmetic number, because the mean of its divisors is an integer number (11264524).

Almost surely, 2^22529047 is an apocalyptic number.

22529047 is a deficient number, since it is larger than the sum of its proper divisors (1).

22529047 is an equidigital number, since it uses as much as digits as its factorization.

22529047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 22529047 is about 4746.4773253435. The cubic root of 22529047 is about 282.4322420835.

The spelling of 22529047 in words is "twenty-two million, five hundred twenty-nine thousand, forty-seven".