4365022221 has 48 divisors (see below), whose sum is σ = 7672579200. Its totient is φ = 2334357504.

The previous prime is 4365022163. The next prime is 4365022229. The reversal of 4365022221 is 1222205634.

It is a happy number.

4365022221 is a `hidden beast` number, since 4 + 3 + 650 + 2 + 2 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 4365022221 - 2⁶ = 4365022157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4365022229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180325 + ... + 203093.

It is an arithmetic number, because the mean of its divisors is an integer number (159845400).

Almost surely, 2^4365022221 is an apocalyptic number.

It is an amenable number.

4365022221 is a deficient number, since it is larger than the sum of its proper divisors (3307556979).

4365022221 is a wasteful number, since it uses less digits than its factorization.

4365022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22978 (or 22975 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 4365022221 is about 66068.3148036939. The cubic root of 4365022221 is about 1634.2888571897.

Adding to 4365022221 its reverse (1222205634), we get a palindrome (5587227855).

The spelling of 4365022221 in words is "four billion, three hundred sixty-five million, twenty-two thousand, two hundred twenty-one".