1831122 has 24 divisors (see below), whose sum is σ = 4140864. Its totient is φ = 583704.

The previous prime is 1831111. The next prime is 1831127. The reversal of 1831122 is 2211381.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1831095 and 1831104.

It is not an unprimeable number, because it can be changed into a prime (1831127) 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, 1798 + ... + 2625.

It is an arithmetic number, because the mean of its divisors is an integer number (172536).

2^1831122 is an apocalyptic number.

1831122 is an abundant number, since it is smaller than the sum of its proper divisors (2309742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1831122 is a wasteful number, since it uses less digits than its factorization.

1831122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454 (or 4451 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 1831122 is about 1353.1895654342. The cubic root of 1831122 is about 122.3411129015.

It can be divided in two parts, 1831 and 122, that added together give a triangular number (1953 = T₆₂).

The spelling of 1831122 in words is "one million, eight hundred thirty-one thousand, one hundred twenty-two".