2547222855 has 8 divisors (see below), whose sum is σ = 4075556592. Its totient is φ = 1358518848.

The previous prime is 2547222841. The next prime is 2547222893. The reversal of 2547222855 is 5582227452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2547222855 - 2⁵ = 2547222823 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 84907414 + ... + 84907443.

It is an arithmetic number, because the mean of its divisors is an integer number (509444574).

Almost surely, 2^2547222855 is an apocalyptic number.

2547222855 is a deficient number, since it is larger than the sum of its proper divisors (1528333737).

2547222855 is a wasteful number, since it uses less digits than its factorization.

2547222855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169814865.

The product of its digits is 448000, while the sum is 42.

The square root of 2547222855 is about 50470.0193679376. The cubic root of 2547222855 is about 1365.7010634793.

The spelling of 2547222855 in words is "two billion, five hundred forty-seven million, two hundred twenty-two thousand, eight hundred fifty-five".