8341221438 has 24 divisors (see below), whose sum is σ = 19715614776. Its totient is φ = 2527642800.

The previous prime is 8341221437. The next prime is 8341221439.

It is a happy number.

8341221438 is nontrivially palindromic in base 10.

8341221438 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8341221437) and next prime (8341221439).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8341221437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21063493 + ... + 21063888.

It is an arithmetic number, because the mean of its divisors is an integer number (821483949).

Almost surely, 2^8341221438 is an apocalyptic number.

8341221438 is an abundant number, since it is smaller than the sum of its proper divisors (11374393338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8341221438 is a wasteful number, since it uses less digits than its factorization.

8341221438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42127400 (or 42127397 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 8341221438 is about 91330.2876268328. The cubic root of 8341221438 is about 2028.0401574042.

The spelling of 8341221438 in words is "eight billion, three hundred forty-one million, two hundred twenty-one thousand, four hundred thirty-eight".