22032553 has 2 divisors, whose sum is σ = 22032554. Its totient is φ = 22032552.

The previous prime is 22032541. The next prime is 22032557. The reversal of 22032553 is 35523022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22014864 + 17689 = 4692^2 + 133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22032553 is a prime.

It is not a weakly prime, because it can be changed into another prime (22032557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11016276 + 11016277.

It is an arithmetic number, because the mean of its divisors is an integer number (11016277).

Almost surely, 2^22032553 is an apocalyptic number.

It is an amenable number.

22032553 is a deficient number, since it is larger than the sum of its proper divisors (1).

22032553 is an equidigital number, since it uses as much as digits as its factorization.

22032553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 22032553 is about 4693.8846385483. The cubic root of 22032553 is about 280.3420691771.

Adding to 22032553 its reverse (35523022), we get a palindrome (57555575).

The spelling of 22032553 in words is "twenty-two million, thirty-two thousand, five hundred fifty-three".