1822016 has 56 divisors (see below), whose sum is σ = 4267200. Its totient is φ = 771456.

The previous prime is 1822013. The next prime is 1822019. The reversal of 1822016 is 6102281.

It is an interprime number because it is at equal distance from previous prime (1822013) and next prime (1822019).

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822013) 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, 21911 + ... + 21993.

It is an arithmetic number, because the mean of its divisors is an integer number (76200).

2^1822016 is an apocalyptic number.

1822016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1822016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133600).

1822016 is an abundant number, since it is smaller than the sum of its proper divisors (2445184).

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

1822016 is an frugal number, since it uses more digits than its factorization.

1822016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1822016 is about 1349.8207288377. The cubic root of 1822016 is about 122.1379788007.

Adding to 1822016 its reverse (6102281), we get a palindrome (7924297).

The spelling of 1822016 in words is "one million, eight hundred twenty-two thousand, sixteen".