1047228 has 72 divisors (see below), whose sum is σ = 3083472. Its totient is φ = 274176.

The previous prime is 1047199. The next prime is 1047229. The reversal of 1047228 is 8227401.

It is a junction number, because it is equal to n+sod(n) for n = 1047198 and 1047207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7576 + ... + 7712.

It is an arithmetic number, because the mean of its divisors is an integer number (42826).

2^1047228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1047228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1541736).

1047228 is an abundant number, since it is smaller than the sum of its proper divisors (2036244).

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

1047228 is a wasteful number, since it uses less digits than its factorization.

1047228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1047228 is about 1023.3415852002. The cubic root of 1047228 is about 101.5501139767.

It can be divided in two parts, 1047 and 228, that added together give a triangular number (1275 = T₅₀).

The spelling of 1047228 in words is "one million, forty-seven thousand, two hundred twenty-eight".