2427122881 has 2 divisors, whose sum is σ = 2427122882. Its totient is φ = 2427122880.

The previous prime is 2427122869. The next prime is 2427122941. The reversal of 2427122881 is 1882217242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2190240000 + 236882881 = 46800^2 + 15391^2 .

It is a cyclic number.

It is not a de Polignac number, because 2427122881 - 2⁵ = 2427122849 is a prime.

It is a super-2 number, since 2×2427122881² = 11781850958947480322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2427122881.

It is not a weakly prime, because it can be changed into another prime (2427122801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1213561440 + 1213561441.

It is an arithmetic number, because the mean of its divisors is an integer number (1213561441).

Almost surely, 2^2427122881 is an apocalyptic number.

It is an amenable number.

2427122881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2427122881 is an equidigital number, since it uses as much as digits as its factorization.

2427122881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28672, while the sum is 37.

The square root of 2427122881 is about 49265.8388845658. The cubic root of 2427122881 is about 1343.8906162824.

The spelling of 2427122881 in words is "two billion, four hundred twenty-seven million, one hundred twenty-two thousand, eight hundred eighty-one".