4250423221 has 8 divisors (see below), whose sum is σ = 4649745600. Its totient is φ = 3853254240.

The previous prime is 4250423213. The next prime is 4250423263. The reversal of 4250423221 is 1223240524.

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

It is not a de Polignac number, because 4250423221 - 2³ = 4250423213 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 (4250423201) 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, 534216 + ... + 542113.

It is an arithmetic number, because the mean of its divisors is an integer number (581218200).

Almost surely, 2^4250423221 is an apocalyptic number.

It is an amenable number.

4250423221 is a deficient number, since it is larger than the sum of its proper divisors (399322379).

4250423221 is a wasteful number, since it uses less digits than its factorization.

4250423221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076699.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4250423221 is about 65195.2699281167. The cubic root of 4250423221 is about 1619.8596663735.

Adding to 4250423221 its reverse (1223240524), we get a palindrome (5473663745).

The spelling of 4250423221 in words is "four billion, two hundred fifty million, four hundred twenty-three thousand, two hundred twenty-one".