1306642224 has 20 divisors (see below), whose sum is σ = 3375492536. Its totient is φ = 435547392.

The previous prime is 1306642201. The next prime is 1306642237. The reversal of 1306642224 is 4222466031.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1306642191 and 1306642200.

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, 13610809 + ... + 13610904.

Almost surely, 2^1306642224 is an apocalyptic number.

It is an amenable number.

1306642224 is an abundant number, since it is smaller than the sum of its proper divisors (2068850312).

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

1306642224 is a wasteful number, since it uses less digits than its factorization.

1306642224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27221724 (or 27221718 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 1306642224 is about 36147.5064700181. The cubic root of 1306642224 is about 1093.2485149682.

The spelling of 1306642224 in words is "one billion, three hundred six million, six hundred forty-two thousand, two hundred twenty-four".