1222350 has 48 divisors (see below), whose sum is σ = 3147120. Its totient is φ = 313600.

The previous prime is 1222307. The next prime is 1222373. The reversal of 1222350 is 532221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4210 + ... + 4490.

It is an arithmetic number, because the mean of its divisors is an integer number (65565).

2^1222350 is an apocalyptic number.

1222350 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 1222350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573560).

1222350 is an abundant number, since it is smaller than the sum of its proper divisors (1924770).

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

1222350 is a wasteful number, since it uses less digits than its factorization.

1222350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1222350 is about 1105.5993849492. The cubic root of 1222350 is about 106.9215367937.

Adding to 1222350 its reverse (532221), we get a palindrome (1754571).

The spelling of 1222350 in words is "one million, two hundred twenty-two thousand, three hundred fifty".