4258381221 has 32 divisors (see below), whose sum is σ = 6744741120. Its totient is φ = 2645955072.

The previous prime is 4258381217. The next prime is 4258381223. The reversal of 4258381221 is 1221838524.

It is a happy number.

4258381221 is a `hidden beast` number, since 4 + 2 + 58 + 381 + 221 = 666.

It is not a de Polignac number, because 4258381221 - 2² = 4258381217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4258381223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2241 + ... + 92313.

It is an arithmetic number, because the mean of its divisors is an integer number (210773160).

Almost surely, 2^4258381221 is an apocalyptic number.

It is an amenable number.

4258381221 is a deficient number, since it is larger than the sum of its proper divisors (2486359899).

4258381221 is a wasteful number, since it uses less digits than its factorization.

4258381221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90202 (or 90196 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 4258381221 is about 65256.2734225607. The cubic root of 4258381221 is about 1620.8699819591.

The spelling of 4258381221 in words is "four billion, two hundred fifty-eight million, three hundred eighty-one thousand, two hundred twenty-one".