1161822 has 16 divisors (see below), whose sum is σ = 2424960. Its totient is φ = 370392.

The previous prime is 1161791. The next prime is 1161829. The reversal of 1161822 is 2281611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4072 + ... + 4347.

It is an arithmetic number, because the mean of its divisors is an integer number (151560).

2^1161822 is an apocalyptic number.

1161822 is an abundant number, since it is smaller than the sum of its proper divisors (1263138).

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

1161822 is a wasteful number, since it uses less digits than its factorization.

1161822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8447.

The product of its digits is 192, while the sum is 21.

The square root of 1161822 is about 1077.8784718140. The cubic root of 1161822 is about 105.1267403804.

The spelling of 1161822 in words is "one million, one hundred sixty-one thousand, eight hundred twenty-two".