2287419881 has 2 divisors, whose sum is σ = 2287419882. Its totient is φ = 2287419880.

The previous prime is 2287419811. The next prime is 2287419917. The reversal of 2287419881 is 1889147822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1926419881 + 361000000 = 43891^2 + 19000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2287419881 - 2¹⁴ = 2287403497 is a prime.

It is a super-2 number, since 2×2287419881² = 10464579423988108322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2287419811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143709940 + 1143709941.

It is an arithmetic number, because the mean of its divisors is an integer number (1143709941).

Almost surely, 2^2287419881 is an apocalyptic number.

It is an amenable number.

2287419881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2287419881 is an equidigital number, since it uses as much as digits as its factorization.

2287419881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 50.

The square root of 2287419881 is about 47826.9785894949. The cubic root of 2287419881 is about 1317.5950779874.

The spelling of 2287419881 in words is "two billion, two hundred eighty-seven million, four hundred nineteen thousand, eight hundred eighty-one".