22755553 has 2 divisors, whose sum is σ = 22755554. Its totient is φ = 22755552.

The previous prime is 22755541. The next prime is 22755569. The reversal of 22755553 is 35555722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17405584 + 5349969 = 4172^2 + 2313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22755553 is a prime.

It is not a weakly prime, because it can be changed into another prime (22756553) 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, 11377776 + 11377777.

It is an arithmetic number, because the mean of its divisors is an integer number (11377777).

Almost surely, 2^22755553 is an apocalyptic number.

It is an amenable number.

22755553 is a deficient number, since it is larger than the sum of its proper divisors (1).

22755553 is an equidigital number, since it uses as much as digits as its factorization.

22755553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52500, while the sum is 34.

The square root of 22755553 is about 4770.2780841372. The cubic root of 22755553 is about 283.3756078406.

The spelling of 22755553 in words is "twenty-two million, seven hundred fifty-five thousand, five hundred fifty-three".