2652221655 has 24 divisors (see below), whose sum is σ = 4797063648. Its totient is φ = 1353016896.

The previous prime is 2652221597. The next prime is 2652221657. The reversal of 2652221655 is 5561222562.

It is not a de Polignac number, because 2652221655 - 2¹⁰ = 2652220631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2652221657) 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 23 ways as a sum of consecutive naturals, for example, 1280232 + ... + 1282301.

It is an arithmetic number, because the mean of its divisors is an integer number (199877652).

Almost surely, 2^2652221655 is an apocalyptic number.

2652221655 is a deficient number, since it is larger than the sum of its proper divisors (2144841993).

2652221655 is a wasteful number, since it uses less digits than its factorization.

2652221655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562567 (or 2562564 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 2652221655 is about 51499.7248050900. The cubic root of 2652221655 is about 1384.2141110085.

The spelling of 2652221655 in words is "two billion, six hundred fifty-two million, two hundred twenty-one thousand, six hundred fifty-five".