2236641345 has 48 divisors (see below), whose sum is σ = 3977550720. Its totient is φ = 1162038528.

The previous prime is 2236641343. The next prime is 2236641349. The reversal of 2236641345 is 5431466322.

2236641345 is a `hidden beast` number, since 2 + 2 + 3 + 6 + 641 + 3 + 4 + 5 = 666.

It is not a de Polignac number, because 2236641345 - 2¹ = 2236641343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2236641343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 848149 + ... + 850781.

It is an arithmetic number, because the mean of its divisors is an integer number (82865640).

Almost surely, 2^2236641345 is an apocalyptic number.

It is an amenable number.

2236641345 is a deficient number, since it is larger than the sum of its proper divisors (1740909375).

2236641345 is a wasteful number, since it uses less digits than its factorization.

2236641345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126 (or 3123 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 2236641345 is about 47293.1426847487. The cubic root of 2236641345 is about 1307.7722455761.

The spelling of 2236641345 in words is "two billion, two hundred thirty-six million, six hundred forty-one thousand, three hundred forty-five".