1081422 has 24 divisors (see below), whose sum is σ = 2378064. Its totient is φ = 355104.

The previous prime is 1081417. The next prime is 1081429. The reversal of 1081422 is 2241801.

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 = 1081395 and 1081404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081429) 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, 903 + ... + 1725.

It is an arithmetic number, because the mean of its divisors is an integer number (99086).

2^1081422 is an apocalyptic number.

1081422 is an abundant number, since it is smaller than the sum of its proper divisors (1296642).

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

1081422 is a wasteful number, since it uses less digits than its factorization.

1081422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1081422 is about 1039.9144195558. The cubic root of 1081422 is about 102.6435664188.

The spelling of 1081422 in words is "one million, eighty-one thousand, four hundred twenty-two".