4425406221 has 8 divisors (see below), whose sum is σ = 6247632384. Its totient is φ = 2776725440.

The previous prime is 4425406171. The next prime is 4425406229. The reversal of 4425406221 is 1226045244.

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 4425406221 - 2⁹ = 4425405709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4425406229) 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, 43386285 + ... + 43386386.

It is an arithmetic number, because the mean of its divisors is an integer number (780954048).

Almost surely, 2^4425406221 is an apocalyptic number.

It is an amenable number.

4425406221 is a deficient number, since it is larger than the sum of its proper divisors (1822226163).

4425406221 is a wasteful number, since it uses less digits than its factorization.

4425406221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86772691.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 4425406221 is about 66523.7267521897. The cubic root of 4425406221 is about 1641.7904079791.

The spelling of 4425406221 in words is "four billion, four hundred twenty-five million, four hundred six thousand, two hundred twenty-one".