1303640226 has 24 divisors (see below), whose sum is σ = 3228061824. Its totient is φ = 372468600.

The previous prime is 1303640213. The next prime is 1303640249. The reversal of 1303640226 is 6220463031.

1303640226 is a `hidden beast` number, since 13 + 0 + 3 + 640 + 2 + 2 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1303640226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5173050 + ... + 5173301.

It is an arithmetic number, because the mean of its divisors is an integer number (134502576).

Almost surely, 2^1303640226 is an apocalyptic number.

1303640226 is an abundant number, since it is smaller than the sum of its proper divisors (1924421598).

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

1303640226 is a wasteful number, since it uses less digits than its factorization.

1303640226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10346366 (or 10346363 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1303640226 is about 36105.9583171531. The cubic root of 1303640226 is about 1092.4106302973.

The spelling of 1303640226 in words is "one billion, three hundred three million, six hundred forty thousand, two hundred twenty-six".