4221258939 has 6 divisors (see below), whose sum is σ = 6097374036. Its totient is φ = 2814172620.

The previous prime is 4221258889. The next prime is 4221258949. The reversal of 4221258939 is 9398521224.

4221258939 is a `hidden beast` number, since 4 + 22 + 12 + 589 + 39 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-4221258939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4221258894 and 4221258903.

It is not an unprimeable number, because it can be changed into a prime (4221258949) 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, 234514377 + ... + 234514394.

It is an arithmetic number, because the mean of its divisors is an integer number (1016229006).

Almost surely, 2^4221258939 is an apocalyptic number.

4221258939 is a deficient number, since it is larger than the sum of its proper divisors (1876115097).

4221258939 is a wasteful number, since it uses less digits than its factorization.

4221258939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469028777 (or 469028774 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 4221258939 is about 64971.2162345758. The cubic root of 4221258939 is about 1616.1462707998.

The spelling of 4221258939 in words is "four billion, two hundred twenty-one million, two hundred fifty-eight thousand, nine hundred thirty-nine".