1146222 has 48 divisors (see below), whose sum is σ = 3100032. Its totient is φ = 297360.

The previous prime is 1146221. The next prime is 1146263. The reversal of 1146222 is 2226411.

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

It is a junction number, because it is equal to n+sod(n) for n = 1146195 and 1146204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 973 + ... + 1799.

It is an arithmetic number, because the mean of its divisors is an integer number (64584).

2^1146222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1146222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550016).

1146222 is an abundant number, since it is smaller than the sum of its proper divisors (1953810).

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

1146222 is a wasteful number, since it uses less digits than its factorization.

1146222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 850 counting only the distinct ones).

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

The square root of 1146222 is about 1070.6175787834. The cubic root of 1146222 is about 104.6540998521.

It can be divided in two parts, 114 and 6222, that added together give a palindrome (6336).

The spelling of 1146222 in words is "one million, one hundred forty-six thousand, two hundred twenty-two".