4224423032221 has 8 divisors (see below), whose sum is σ = 4830329635200. Its totient is φ = 3619120828848.

The previous prime is 4224423032209. The next prime is 4224423032233. The reversal of 4224423032221 is 1222303244224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4224423032209) and next prime (4224423032233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4224423032221 - 2³⁵ = 4190063293853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224423032201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151084921 + ... + 151112878.

It is an arithmetic number, because the mean of its divisors is an integer number (603791204400).

Almost surely, 2^{4224423032221} is an apocalyptic number.

It is an amenable number.

4224423032221 is a deficient number, since it is larger than the sum of its proper divisors (605906602979).

4224423032221 is a wasteful number, since it uses less digits than its factorization.

4224423032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302199803.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 4224423032221 its reverse (1222303244224), we get a palindrome (5446726276445).

The spelling of 4224423032221 in words is "four trillion, two hundred twenty-four billion, four hundred twenty-three million, thirty-two thousand, two hundred twenty-one".