2236438655 has 32 divisors (see below), whose sum is σ = 3103930368. Its totient is φ = 1528844800.

The previous prime is 2236438639. The next prime is 2236438661. The reversal of 2236438655 is 5568346322.

It is not a de Polignac number, because 2236438655 - 2⁴ = 2236438639 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 31 ways as a sum of consecutive naturals, for example, 1411994 + ... + 1413576.

It is an arithmetic number, because the mean of its divisors is an integer number (96997824).

Almost surely, 2^2236438655 is an apocalyptic number.

2236438655 is a deficient number, since it is larger than the sum of its proper divisors (867491713).

2236438655 is a wasteful number, since it uses less digits than its factorization.

2236438655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127.

The product of its digits is 1036800, while the sum is 44.

The square root of 2236438655 is about 47290.9997251063. Note that the first 3 decimals coincide. The cubic root of 2236438655 is about 1307.7327398585.

The spelling of 2236438655 in words is "two billion, two hundred thirty-six million, four hundred thirty-eight thousand, six hundred fifty-five".