1822045 has 8 divisors (see below), whose sum is σ = 2195424. Its totient is φ = 1451664.

The previous prime is 1822027. The next prime is 1822063. The reversal of 1822045 is 5402281.

It is an interprime number because it is at equal distance from previous prime (1822027) and next prime (1822063).

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 1822045 - 2⁵ = 1822013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942 + ... + 2128.

It is an arithmetic number, because the mean of its divisors is an integer number (274428).

2^1822045 is an apocalyptic number.

It is an amenable number.

1822045 is a deficient number, since it is larger than the sum of its proper divisors (373379).

1822045 is a wasteful number, since it uses less digits than its factorization.

1822045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1822045 is about 1349.8314709622. The cubic root of 1822045 is about 122.1386267977.

The spelling of 1822045 in words is "one million, eight hundred twenty-two thousand, forty-five".