2281887 has 6 divisors (see below), whose sum is σ = 3296072. Its totient is φ = 1521252.

The previous prime is 2281883. The next prime is 2281891. The reversal of 2281887 is 7881822.

It is an interprime number because it is at equal distance from previous prime (2281883) and next prime (2281891).

It is not a de Polignac number, because 2281887 - 2² = 2281883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126763 + ... + 126780.

2^2281887 is an apocalyptic number.

2281887 is a deficient number, since it is larger than the sum of its proper divisors (1014185).

2281887 is a wasteful number, since it uses less digits than its factorization.

2281887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253549 (or 253546 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 2281887 is about 1510.5916059611. The cubic root of 2281887 is about 131.6531873897.

The spelling of 2281887 in words is "two million, two hundred eighty-one thousand, eight hundred eighty-seven".