4221445212237 has 8 divisors (see below), whose sum is σ = 6140283945120. Its totient is φ = 2558451643760.

The previous prime is 4221445212223. The next prime is 4221445212269. The reversal of 4221445212237 is 7322125441224.

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 4221445212237 - 2¹⁰ = 4221445211213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4221445212195 and 4221445212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221445212277) 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, 63961291062 + ... + 63961291127.

It is an arithmetic number, because the mean of its divisors is an integer number (767535493140).

Almost surely, 2^{4221445212237} is an apocalyptic number.

It is an amenable number.

4221445212237 is a deficient number, since it is larger than the sum of its proper divisors (1918838732883).

4221445212237 is a wasteful number, since it uses less digits than its factorization.

4221445212237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127922582203.

The product of its digits is 215040, while the sum is 39.

The spelling of 4221445212237 in words is "four trillion, two hundred twenty-one billion, four hundred forty-five million, two hundred twelve thousand, two hundred thirty-seven".