1025228 has 6 divisors (see below), whose sum is σ = 1794156. Its totient is φ = 512612.

The previous prime is 1025209. The next prime is 1025231. The reversal of 1025228 is 8225201.

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 as a sum of consecutive naturals, namely, 128150 + ... + 128157.

It is an arithmetic number, because the mean of its divisors is an integer number (299026).

2^1025228 is an apocalyptic number.

It is an amenable number.

1025228 is a deficient number, since it is larger than the sum of its proper divisors (768928).

1025228 is a wasteful number, since it uses less digits than its factorization.

1025228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256311 (or 256309 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1025228 is about 1012.5354314788. The cubic root of 1025228 is about 100.8339591216.

The spelling of 1025228 in words is "one million, twenty-five thousand, two hundred twenty-eight".