4224356641 has 4 divisors (see below), whose sum is σ = 4224961300. Its totient is φ = 4223751984.

The previous prime is 4224356623. The next prime is 4224356657. The reversal of 4224356641 is 1466534224.

4224356641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 463110400 + 3761246241 = 21520^2 + 61329^2 .

It is a cyclic number.

It is not a de Polignac number, because 4224356641 - 2²³ = 4215968033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4224356641.

It is not an unprimeable number, because it can be changed into a prime (4224356141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291726 + ... + 305863.

It is an arithmetic number, because the mean of its divisors is an integer number (1056240325).

Almost surely, 2^4224356641 is an apocalyptic number.

It is an amenable number.

4224356641 is a deficient number, since it is larger than the sum of its proper divisors (604659).

4224356641 is an equidigital number, since it uses as much as digits as its factorization.

4224356641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604658.

The product of its digits is 138240, while the sum is 37.

The square root of 4224356641 is about 64995.0508962029. The cubic root of 4224356641 is about 1616.5415016618.

The spelling of 4224356641 in words is "four billion, two hundred twenty-four million, three hundred fifty-six thousand, six hundred forty-one".