4541221455 has 32 divisors (see below), whose sum is σ = 7505625024. Its totient is φ = 2342854656.

The previous prime is 4541221439. The next prime is 4541221457. The reversal of 4541221455 is 5541221454.

It is a happy number.

4541221455 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4541221455 - 2⁴ = 4541221439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4541221457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72367 + ... + 119663.

It is an arithmetic number, because the mean of its divisors is an integer number (234550782).

Almost surely, 2^4541221455 is an apocalyptic number.

4541221455 is a deficient number, since it is larger than the sum of its proper divisors (2964403569).

4541221455 is a wasteful number, since it uses less digits than its factorization.

4541221455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47515.

The product of its digits is 32000, while the sum is 33.

The square root of 4541221455 is about 67388.5854948744. The cubic root of 4541221455 is about 1655.9894297471.

Subtracting 4541221455 from its reverse (5541221454), we obtain a palindrome (999999999).

The spelling of 4541221455 in words is "four billion, five hundred forty-one million, two hundred twenty-one thousand, four hundred fifty-five".