1006220 has 12 divisors (see below), whose sum is σ = 2113104. Its totient is φ = 402480.

The previous prime is 1006219. The next prime is 1006231. The reversal of 1006220 is 226001.

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 3 ways as a sum of consecutive naturals, for example, 25136 + ... + 25175.

It is an arithmetic number, because the mean of its divisors is an integer number (176092).

2^1006220 is an apocalyptic number.

1006220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1006220 is an abundant number, since it is smaller than the sum of its proper divisors (1106884).

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

1006220 is a wasteful number, since it uses less digits than its factorization.

1006220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50320 (or 50318 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1006220 is about 1003.1051789319. The cubic root of 1006220 is about 100.2069049415.

The spelling of 1006220 in words is "one million, six thousand, two hundred twenty".