4292085221 has 8 divisors (see below), whose sum is σ = 4305104664. Its totient is φ = 4279080960.

The previous prime is 4292085169. The next prime is 4292085241. The reversal of 4292085221 is 1225802924.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3276100 + 4288809121 = 1810^2 + 65489^2 .

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 4292085221 - 2⁶ = 4292085157 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 (4292085241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810101 + ... + 815381.

It is an arithmetic number, because the mean of its divisors is an integer number (538138083).

Almost surely, 2^4292085221 is an apocalyptic number.

It is an amenable number.

4292085221 is a deficient number, since it is larger than the sum of its proper divisors (13019443).

4292085221 is a wasteful number, since it uses less digits than its factorization.

4292085221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7591.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 4292085221 is about 65514.0078227550. The cubic root of 4292085221 is about 1625.1350068187.

The spelling of 4292085221 in words is "four billion, two hundred ninety-two million, eighty-five thousand, two hundred twenty-one".