1255826228 has 24 divisors (see below), whose sum is σ = 2256555840. Its totient is φ = 611167680.

The previous prime is 1255826191. The next prime is 1255826239. The reversal of 1255826228 is 8226285521.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 63275 + ... + 80717.

It is an arithmetic number, because the mean of its divisors is an integer number (94023160).

Almost surely, 2^1255826228 is an apocalyptic number.

It is an amenable number.

1255826228 is a deficient number, since it is larger than the sum of its proper divisors (1000729612).

1255826228 is a wasteful number, since it uses less digits than its factorization.

1255826228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17927 (or 17925 counting only the distinct ones).

The product of its digits is 153600, while the sum is 41.

The square root of 1255826228 is about 35437.6385782123. The cubic root of 1255826228 is about 1078.8883818364. Note that the first 3 decimals are identical.

The spelling of 1255826228 in words is "one billion, two hundred fifty-five million, eight hundred twenty-six thousand, two hundred twenty-eight".