244662232081 has 2 divisors, whose sum is σ = 244662232082. Its totient is φ = 244662232080.

The previous prime is 244662232019. The next prime is 244662232103. The reversal of 244662232081 is 180232266442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214345850625 + 30316381456 = 462975^2 + 174116^2 .

It is a cyclic number.

It is not a de Polignac number, because 244662232081 - 2¹³ = 244662223889 is a prime.

It is a super-2 number, since 2×244662232081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (244662232181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122331116040 + 122331116041.

It is an arithmetic number, because the mean of its divisors is an integer number (122331116041).

Almost surely, 2^244662232081 is an apocalyptic number.

It is an amenable number.

244662232081 is a deficient number, since it is larger than the sum of its proper divisors (1).

244662232081 is an equidigital number, since it uses as much as digits as its factorization.

244662232081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 244662232081 in words is "two hundred forty-four billion, six hundred sixty-two million, two hundred thirty-two thousand, eighty-one".