4255010221 has 8 divisors (see below), whose sum is σ = 5304947904. Its totient is φ = 3315592320.

The previous prime is 4255010173. The next prime is 4255010303. The reversal of 4255010221 is 1220105524.

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 4255010221 - 2⁷ = 4255010093 is a prime.

It is a super-2 number, since 2×4255010221² = 36210223961628937682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4255010192 and 4255010201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255010021) 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, 27629860 + ... + 27630013.

It is an arithmetic number, because the mean of its divisors is an integer number (663118488).

Almost surely, 2^4255010221 is an apocalyptic number.

It is an amenable number.

4255010221 is a deficient number, since it is larger than the sum of its proper divisors (1049937683).

4255010221 is a wasteful number, since it uses less digits than its factorization.

4255010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55259891.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 4255010221 is about 65230.4393745742. The cubic root of 4255010221 is about 1620.4421671907.

Adding to 4255010221 its reverse (1220105524), we get a palindrome (5475115745).

The spelling of 4255010221 in words is "four billion, two hundred fifty-five million, ten thousand, two hundred twenty-one".