445214234221 has 8 divisors (see below), whose sum is σ = 459610550784. Its totient is φ = 430820078160.

The previous prime is 445214234203. The next prime is 445214234239. The reversal of 445214234221 is 122432412544.

It is an interprime number because it is at equal distance from previous prime (445214234203) and next prime (445214234239).

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 445214234221 - 2⁷ = 445214234093 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 (445214234021) 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, 116026 + ... + 950731.

It is an arithmetic number, because the mean of its divisors is an integer number (57451318848).

Almost surely, 2^445214234221 is an apocalyptic number.

It is an amenable number.

445214234221 is a deficient number, since it is larger than the sum of its proper divisors (14396316563).

445214234221 is a wasteful number, since it uses less digits than its factorization.

445214234221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080251.

The product of its digits is 61440, while the sum is 34.

Adding to 445214234221 its reverse (122432412544), we get a palindrome (567646646765).

The spelling of 445214234221 in words is "four hundred forty-five billion, two hundred fourteen million, two hundred thirty-four thousand, two hundred twenty-one".