1822249 has 8 divisors (see below), whose sum is σ = 2140992. Its totient is φ = 1529040.

The previous prime is 1822241. The next prime is 1822259. The reversal of 1822249 is 9422281.

1822249 = 402² + 403² + ... + 412².

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

It is a cyclic number.

It is not a de Polignac number, because 1822249 - 2³ = 1822241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1822241) 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, 6229 + ... + 6514.

It is an arithmetic number, because the mean of its divisors is an integer number (267624).

2^1822249 is an apocalyptic number.

It is an amenable number.

1822249 is a deficient number, since it is larger than the sum of its proper divisors (318743).

1822249 is a wasteful number, since it uses less digits than its factorization.

1822249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12767.

The product of its digits is 2304, while the sum is 28.

The square root of 1822249 is about 1349.9070338360. The cubic root of 1822249 is about 122.1431849270.

The spelling of 1822249 in words is "one million, eight hundred twenty-two thousand, two hundred forty-nine".