1822275 has 72 divisors (see below), whose sum is σ = 4062240. Its totient is φ = 760320.

The previous prime is 1822259. The next prime is 1822277. The reversal of 1822275 is 5722281.

It is not a de Polignac number, because 1822275 - 2⁴ = 1822259 is a prime.

It is a d-powerful number, because it can be written as 1 + 8² + 2¹⁷ + 2¹⁹ + 2²⁰ + 7⁶ + 5⁴ .

1822275 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1822277) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20431 + ... + 20519.

It is an arithmetic number, because the mean of its divisors is an integer number (56420).

2^1822275 is an apocalyptic number.

1822275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1822275 is an abundant number, since it is smaller than the sum of its proper divisors (2239965).

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

1822275 is a wasteful number, since it uses less digits than its factorization.

1822275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 117 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 1822275 is about 1349.9166640945. The cubic root of 1822275 is about 122.1437658406.

The spelling of 1822275 in words is "one million, eight hundred twenty-two thousand, two hundred seventy-five".