1064220 has 24 divisors (see below), whose sum is σ = 2979984. Its totient is φ = 283776.

The previous prime is 1064201. The next prime is 1064243. The reversal of 1064220 is 224601.

It is a super-2 number, since 2×1064220² = 2265128416800, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1064220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8809 + ... + 8928.

It is an arithmetic number, because the mean of its divisors is an integer number (124166).

2^1064220 is an apocalyptic number.

1064220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1064220 is an abundant number, since it is smaller than the sum of its proper divisors (1915764).

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

1064220 is a wasteful number, since it uses less digits than its factorization.

1064220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17749 (or 17747 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1064220 is about 1031.6103915723. The cubic root of 1064220 is about 102.0964101902.

Adding to 1064220 its reverse (224601), we get a palindrome (1288821).

The spelling of 1064220 in words is "one million, sixty-four thousand, two hundred twenty".