1822668 has 24 divisors (see below), whose sum is σ = 4318272. Its totient is φ = 598224.

The previous prime is 1822663. The next prime is 1822669. The reversal of 1822668 is 8662281.

It is not an unprimeable number, because it can be changed into a prime (1822661) 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, 330 + ... + 1937.

It is an arithmetic number, because the mean of its divisors is an integer number (179928).

2^1822668 is an apocalyptic number.

It is an amenable number.

1822668 is an abundant number, since it is smaller than the sum of its proper divisors (2495604).

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

1822668 is a wasteful number, since it uses less digits than its factorization.

1822668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341 (or 2339 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 1822668 is about 1350.0622207884. The cubic root of 1822668 is about 122.1525459003.

It can be divided in two parts, 182 and 2668, that added together give a triangular number (2850 = T₇₅).

The spelling of 1822668 in words is "one million, eight hundred twenty-two thousand, six hundred sixty-eight".