4401223421 has 8 divisors (see below), whose sum is σ = 5031335040. Its totient is φ = 3771453168.

The previous prime is 4401223399. The next prime is 4401223423. The reversal of 4401223421 is 1243221044.

4401223421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4401223421 - 2¹⁸ = 4400961277 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 (4401223423) 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, 57086 + ... + 109823.

It is an arithmetic number, because the mean of its divisors is an integer number (628916880).

Almost surely, 2^4401223421 is an apocalyptic number.

It is an amenable number.

4401223421 is a deficient number, since it is larger than the sum of its proper divisors (630111619).

4401223421 is a wasteful number, since it uses less digits than its factorization.

4401223421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170683.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4401223421 is about 66341.7170489278. The cubic root of 4401223421 is about 1638.7944021042.

Adding to 4401223421 its reverse (1243221044), we get a palindrome (5644444465).

The spelling of 4401223421 in words is "four billion, four hundred one million, two hundred twenty-three thousand, four hundred twenty-one".