1005222 has 8 divisors (see below), whose sum is σ = 2010456. Its totient is φ = 335072.

The previous prime is 1005217. The next prime is 1005223. The reversal of 1005222 is 2225001.

It is a sphenic number, since it is the product of 3 distinct primes.

1005222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1005198 and 1005207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83763 + ... + 83774.

It is an arithmetic number, because the mean of its divisors is an integer number (251307).

2^1005222 is an apocalyptic number.

1005222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1005222 is a wasteful number, since it uses less digits than its factorization.

1005222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167542.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 1005222 is about 1002.6076002106. The cubic root of 1005222 is about 100.1737645506.

The spelling of 1005222 in words is "one million, five thousand, two hundred twenty-two".