1822887 has 12 divisors (see below), whose sum is σ = 2872584. Its totient is φ = 1104720.

The previous prime is 1822871. The next prime is 1822903. The reversal of 1822887 is 7882281.

It is an interprime number because it is at equal distance from previous prime (1822871) and next prime (1822903).

It is not a de Polignac number, because 1822887 - 2⁴ = 1822871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9108 + ... + 9305.

It is an arithmetic number, because the mean of its divisors is an integer number (239382).

2^1822887 is an apocalyptic number.

1822887 is a deficient number, since it is larger than the sum of its proper divisors (1049697).

1822887 is a wasteful number, since it uses less digits than its factorization.

1822887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18430 (or 18427 counting only the distinct ones).

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

The square root of 1822887 is about 1350.1433257251. The cubic root of 1822887 is about 122.1574380576.

The spelling of 1822887 in words is "one million, eight hundred twenty-two thousand, eight hundred eighty-seven".