2547222265 has 16 divisors (see below), whose sum is σ = 3587749632. Its totient is φ = 1699458624.

The previous prime is 2547222259. The next prime is 2547222277. The reversal of 2547222265 is 5622227452.

It is a cyclic number.

It is not a de Polignac number, because 2547222265 - 2⁵ = 2547222233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982189 + ... + 984778.

It is an arithmetic number, because the mean of its divisors is an integer number (224234352).

Almost surely, 2^2547222265 is an apocalyptic number.

It is an amenable number.

2547222265 is a deficient number, since it is larger than the sum of its proper divisors (1040527367).

2547222265 is a wasteful number, since it uses less digits than its factorization.

2547222265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967016.

The product of its digits is 134400, while the sum is 37.

The square root of 2547222265 is about 50470.0135228831. The cubic root of 2547222265 is about 1365.7009580359.

The spelling of 2547222265 in words is "two billion, five hundred forty-seven million, two hundred twenty-two thousand, two hundred sixty-five".