4225110221 has 4 divisors (see below), whose sum is σ = 4228060092. Its totient is φ = 4222160352.

The previous prime is 4225110193. The next prime is 4225110247. The reversal of 4225110221 is 1220115224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3247860100 + 977250121 = 56990^2 + 31261^2 .

It is a cyclic number.

It is not a de Polignac number, because 4225110221 - 2²⁶ = 4158001357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4225110193 and 4225110202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4225110251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1472786 + ... + 1475651.

It is an arithmetic number, because the mean of its divisors is an integer number (1057015023).

Almost surely, 2^4225110221 is an apocalyptic number.

It is an amenable number.

4225110221 is a deficient number, since it is larger than the sum of its proper divisors (2949871).

4225110221 is a wasteful number, since it uses less digits than its factorization.

4225110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949870.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 4225110221 is about 65000.8478483166. The cubic root of 4225110221 is about 1616.6376205124.

Adding to 4225110221 its reverse (1220115224), we get a palindrome (5445225445).

The spelling of 4225110221 in words is "four billion, two hundred twenty-five million, one hundred ten thousand, two hundred twenty-one".