4421287231 has 2 divisors, whose sum is σ = 4421287232. Its totient is φ = 4421287230.

The previous prime is 4421287201. The next prime is 4421287271. The reversal of 4421287231 is 1327821244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4421287231 - 2¹³ = 4421279039 is a prime.

It is a super-2 number, since 2×4421287231² = 39095561558007294722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4421287201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210643615 + 2210643616.

It is an arithmetic number, because the mean of its divisors is an integer number (2210643616).

Almost surely, 2^4421287231 is an apocalyptic number.

4421287231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4421287231 is an equidigital number, since it uses as much as digits as its factorization.

4421287231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 34.

The square root of 4421287231 is about 66492.7607413018. The cubic root of 4421287231 is about 1641.2808790520.

The spelling of 4421287231 in words is "four billion, four hundred twenty-one million, two hundred eighty-seven thousand, two hundred thirty-one".