1822250 has 32 divisors (see below), whose sum is σ = 3521232. Its totient is φ = 705600.

The previous prime is 1822241. The next prime is 1822259. The reversal of 1822250 is 522281.

It is an interprime number because it is at equal distance from previous prime (1822241) and next prime (1822259).

It can be written as a sum of positive squares in 8 ways, for example, as 808201 + 1014049 = 899^2 + 1007^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9152 + ... + 9348.

2^1822250 is an apocalyptic number.

1822250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1822250 is a deficient number, since it is larger than the sum of its proper divisors (1698982).

1822250 is a wasteful number, since it uses less digits than its factorization.

1822250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1822250 is about 1349.9074042319. The cubic root of 1822250 is about 122.1432072699.

The spelling of 1822250 in words is "one million, eight hundred twenty-two thousand, two hundred fifty".