4223220401 has 8 divisors (see below), whose sum is σ = 4251759144. Its totient is φ = 4194702720.

The previous prime is 4223220349. The next prime is 4223220409. The reversal of 4223220401 is 1040223224.

It can be written as a sum of positive squares in 4 ways, for example, as 20939776 + 4202280625 = 4576^2 + 64825^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4223220401 - 2¹⁴ = 4223204017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4223220409) 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, 800111 + ... + 805371.

It is an arithmetic number, because the mean of its divisors is an integer number (531469893).

Almost surely, 2^4223220401 is an apocalyptic number.

It is an amenable number.

4223220401 is a deficient number, since it is larger than the sum of its proper divisors (28538743).

4223220401 is a wasteful number, since it uses less digits than its factorization.

4223220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10531.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4223220401 is about 64986.3093351207. The cubic root of 4223220401 is about 1616.3965530555.

Adding to 4223220401 its reverse (1040223224), we get a palindrome (5263443625).

The spelling of 4223220401 in words is "four billion, two hundred twenty-three million, two hundred twenty thousand, four hundred one".