22704553 has 2 divisors, whose sum is σ = 22704554. Its totient is φ = 22704552.

The previous prime is 22704541. The next prime is 22704581. The reversal of 22704553 is 35540722.

It is an a-pointer prime, because the next prime (22704581) can be obtained adding 22704553 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17073424 + 5631129 = 4132^2 + 2373^2 .

It is a cyclic number.

It is not a de Polignac number, because 22704553 - 2⁹ = 22704041 is a prime.

It is not a weakly prime, because it can be changed into another prime (22704953) 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, 11352276 + 11352277.

It is an arithmetic number, because the mean of its divisors is an integer number (11352277).

Almost surely, 2^22704553 is an apocalyptic number.

It is an amenable number.

22704553 is a deficient number, since it is larger than the sum of its proper divisors (1).

22704553 is an equidigital number, since it uses as much as digits as its factorization.

22704553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 22704553 is about 4764.9294853125. The cubic root of 22704553 is about 283.1637479597.

The spelling of 22704553 in words is "twenty-two million, seven hundred four thousand, five hundred fifty-three".