1224936394 has 32 divisors (see below), whose sum is σ = 2195553600. Its totient is φ = 505962240.

The previous prime is 1224936373. The next prime is 1224936409. The reversal of 1224936394 is 4936394221.

It is a self number, because there is not a number n which added to its sum of digits gives 1224936394.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45624 + ... + 67315.

It is an arithmetic number, because the mean of its divisors is an integer number (68611050).

Almost surely, 2^1224936394 is an apocalyptic number.

1224936394 is a deficient number, since it is larger than the sum of its proper divisors (970617206).

1224936394 is a wasteful number, since it uses less digits than its factorization.

1224936394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112998.

The product of its digits is 279936, while the sum is 43.

The square root of 1224936394 is about 34999.0913310617. The cubic root of 1224936394 is about 1069.9689611633.

The spelling of 1224936394 in words is "one billion, two hundred twenty-four million, nine hundred thirty-six thousand, three hundred ninety-four".