1822230 has 64 divisors (see below), whose sum is σ = 5158080. Its totient is φ = 456192.

The previous prime is 1822229. The next prime is 1822241. The reversal of 1822230 is 322281.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4392 + ... + 4788.

It is an arithmetic number, because the mean of its divisors is an integer number (80595).

2^1822230 is an apocalyptic number.

1822230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1822230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2579040).

1822230 is an abundant number, since it is smaller than the sum of its proper divisors (3335850).

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

1822230 is a wasteful number, since it uses less digits than its factorization.

1822230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1822230 is about 1349.8999962960. The cubic root of 1822230 is about 122.1427604097.

The spelling of 1822230 in words is "one million, eight hundred twenty-two thousand, two hundred thirty".