4422215533421 has 8 divisors (see below), whose sum is σ = 5054028323520. Its totient is φ = 3790419671808.

The previous prime is 4422215533399. The next prime is 4422215533429. The reversal of 4422215533421 is 1243355122244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-4422215533421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4422215533429) 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, 3667316 + ... + 4721613.

It is an arithmetic number, because the mean of its divisors is an integer number (631753540440).

Almost surely, 2^{4422215533421} is an apocalyptic number.

It is an amenable number.

4422215533421 is a deficient number, since it is larger than the sum of its proper divisors (631812790099).

4422215533421 is an equidigital number, since it uses as much as digits as its factorization.

4422215533421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8464243.

The product of its digits is 230400, while the sum is 38.

The spelling of 4422215533421 in words is "four trillion, four hundred twenty-two billion, two hundred fifteen million, five hundred thirty-three thousand, four hundred twenty-one".