4050444221 has 8 divisors (see below), whose sum is σ = 4199860224. Its totient is φ = 3902200560.

The previous prime is 4050444173. The next prime is 4050444241. The reversal of 4050444221 is 1224440504.

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 4050444221 - 2¹⁰ = 4050443197 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 (4050444241) 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, 286046 + ... + 299871.

It is an arithmetic number, because the mean of its divisors is an integer number (524982528).

Almost surely, 2^4050444221 is an apocalyptic number.

It is an amenable number.

4050444221 is a deficient number, since it is larger than the sum of its proper divisors (149416003).

4050444221 is a wasteful number, since it uses less digits than its factorization.

4050444221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586171.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 4050444221 is about 63643.1003408853. The cubic root of 4050444221 is about 1594.0461300695.

Adding to 4050444221 its reverse (1224440504), we get a palindrome (5274884725).

The spelling of 4050444221 in words is "four billion, fifty million, four hundred forty-four thousand, two hundred twenty-one".