4412332181 has 2 divisors, whose sum is σ = 4412332182. Its totient is φ = 4412332180.

The previous prime is 4412332147. The next prime is 4412332261. The reversal of 4412332181 is 1812332144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4373705956 + 38626225 = 66134^2 + 6215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4412332181 is a prime.

It is a super-2 number, since 2×4412332181² = 38937350550976433522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4412332081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2206166090 + 2206166091.

It is an arithmetic number, because the mean of its divisors is an integer number (2206166091).

Almost surely, 2^4412332181 is an apocalyptic number.

It is an amenable number.

4412332181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4412332181 is an equidigital number, since it uses as much as digits as its factorization.

4412332181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 29.

The square root of 4412332181 is about 66425.3880756447. The cubic root of 4412332181 is about 1640.1720250098.

The spelling of 4412332181 in words is "four billion, four hundred twelve million, three hundred thirty-two thousand, one hundred eighty-one".