4221830542338 has 12 divisors (see below), whose sum is σ = 9147299508438. Its totient is φ = 1407276847440.

The previous prime is 4221830542337. The next prime is 4221830542393. The reversal of 4221830542338 is 8332450381224.

4221830542338 is a `hidden beast` number, since 4 + 2 + 2 + 1 + 8 + 305 + 4 + 2 + 338 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3402021624849 + 819808917489 = 1844457^2 + 905433^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4221830542293 and 4221830542302.

It is not an unprimeable number, because it can be changed into a prime (4221830542337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117273070603 + ... + 117273070638.

Almost surely, 2^{4221830542338} is an apocalyptic number.

4221830542338 is an abundant number, since it is smaller than the sum of its proper divisors (4925468966100).

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

4221830542338 is a wasteful number, since it uses less digits than its factorization.

4221830542338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234546141249 (or 234546141246 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 4221830542338 in words is "four trillion, two hundred twenty-one billion, eight hundred thirty million, five hundred forty-two thousand, three hundred thirty-eight".