4645222245 has 24 divisors (see below), whose sum is σ = 8056836216. Its totient is φ = 2475877248.

The previous prime is 4645222229. The next prime is 4645222261. The reversal of 4645222245 is 5422225464.

4645222245 is a `hidden beast` number, since 4 + 645 + 2 + 2 + 2 + 2 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (4645222229) and next prime (4645222261).

It can be written as a sum of positive squares in 4 ways, for example, as 1236647556 + 3408574689 = 35166^2 + 58383^2 .

It is not a de Polignac number, because 4645222245 - 2⁴ = 4645222229 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40587 + ... + 104583.

It is an arithmetic number, because the mean of its divisors is an integer number (335701509).

Almost surely, 2^4645222245 is an apocalyptic number.

4645222245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4645222245 is a deficient number, since it is larger than the sum of its proper divisors (3411613971).

4645222245 is a wasteful number, since it uses less digits than its factorization.

4645222245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65621 (or 65618 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

The square root of 4645222245 is about 68155.8672822817. The cubic root of 4645222245 is about 1668.5356837926.

The spelling of 4645222245 in words is "four billion, six hundred forty-five million, two hundred twenty-two thousand, two hundred forty-five".