1822146 has 8 divisors (see below), whose sum is σ = 3644304. Its totient is φ = 607380.

The previous prime is 1822123. The next prime is 1822147. The reversal of 1822146 is 6412281.

It is a sphenic number, since it is the product of 3 distinct primes.

1822146 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1822147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151840 + ... + 151851.

It is an arithmetic number, because the mean of its divisors is an integer number (455538).

2^1822146 is an apocalyptic number.

1822146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1822146 is a wasteful number, since it uses less digits than its factorization.

1822146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303696.

The product of its digits is 768, while the sum is 24.

The square root of 1822146 is about 1349.8688825216. The cubic root of 1822146 is about 122.1408835611.

The spelling of 1822146 in words is "one million, eight hundred twenty-two thousand, one hundred forty-six".