1227331828 has 12 divisors (see below), whose sum is σ = 2260874560. Its totient is φ = 581367672.

The previous prime is 1227331817. The next prime is 1227331879. The reversal of 1227331828 is 8281337221.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8074476 + ... + 8074627.

Almost surely, 2^1227331828 is an apocalyptic number.

It is an amenable number.

1227331828 is a deficient number, since it is larger than the sum of its proper divisors (1033542732).

1227331828 is a wasteful number, since it uses less digits than its factorization.

1227331828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16149126 (or 16149124 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 1227331828 is about 35033.2959910997. The cubic root of 1227331828 is about 1070.6659690867.

The spelling of 1227331828 in words is "one billion, two hundred twenty-seven million, three hundred thirty-one thousand, eight hundred twenty-eight".