2247329681 has 2 divisors, whose sum is σ = 2247329682. Its totient is φ = 2247329680.

The previous prime is 2247329677. The next prime is 2247329687. The reversal of 2247329681 is 1869237422.

2247329681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2089952656 + 157377025 = 45716^2 + 12545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2247329681 - 2² = 2247329677 is a prime.

It is a super-2 number, since 2×2247329681² = 10100981390207123522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2247329687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123664840 + 1123664841.

It is an arithmetic number, because the mean of its divisors is an integer number (1123664841).

Almost surely, 2^2247329681 is an apocalyptic number.

It is an amenable number.

2247329681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2247329681 is an equidigital number, since it uses as much as digits as its factorization.

2247329681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 2247329681 is about 47406.0089123731. The cubic root of 2247329681 is about 1309.8521055578.

The spelling of 2247329681 in words is "two billion, two hundred forty-seven million, three hundred twenty-nine thousand, six hundred eighty-one".