3645224337 has 24 divisors (see below), whose sum is σ = 5283140896. Its totient is φ = 2233986048.

The previous prime is 3645224329. The next prime is 3645224383. The reversal of 3645224337 is 7334225463.

3645224337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3645224337 - 2³ = 3645224329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3645224295 and 3645224304.

It is not an unprimeable number, because it can be changed into a prime (3645224137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11608 + ... + 86169.

Almost surely, 2^3645224337 is an apocalyptic number.

It is an amenable number.

3645224337 is a deficient number, since it is larger than the sum of its proper divisors (1637916559).

3645224337 is a wasteful number, since it uses less digits than its factorization.

3645224337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97857 (or 97840 counting only the distinct ones).

The product of its digits is 362880, while the sum is 39.

The square root of 3645224337 is about 60375.6932631005. The cubic root of 3645224337 is about 1539.0099242728.

The spelling of 3645224337 in words is "three billion, six hundred forty-five million, two hundred twenty-four thousand, three hundred thirty-seven".