2215534455 has 48 divisors (see below), whose sum is σ = 4020696576. Its totient is φ = 1126445760.

The previous prime is 2215534439. The next prime is 2215534459. The reversal of 2215534455 is 5544355122.

2215534455 is a `hidden beast` number, since 22 + 155 + 34 + 455 = 666.

It is not a de Polignac number, because 2215534455 - 2⁴ = 2215534439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215534459) 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 47 ways as a sum of consecutive naturals, for example, 318444 + ... + 325326.

It is an arithmetic number, because the mean of its divisors is an integer number (83764512).

Almost surely, 2^2215534455 is an apocalyptic number.

2215534455 is a deficient number, since it is larger than the sum of its proper divisors (1805162121).

2215534455 is a wasteful number, since it uses less digits than its factorization.

2215534455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7228 (or 7225 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 2215534455 is about 47069.4641460894. The cubic root of 2215534455 is about 1303.6454787855.

Adding to 2215534455 its reverse (5544355122), we get a palindrome (7759889577).

The spelling of 2215534455 in words is "two billion, two hundred fifteen million, five hundred thirty-four thousand, four hundred fifty-five".