1226324473 has 12 divisors (see below), whose sum is σ = 1380825684. Its totient is φ = 1087644800.

The previous prime is 1226324453. The next prime is 1226324483. The reversal of 1226324473 is 3744236221.

It can be written as a sum of positive squares in 2 ways, for example, as 153958464 + 1072366009 = 12408^2 + 32747^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1226324473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226324453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118636 + ... + 128557.

It is an arithmetic number, because the mean of its divisors is an integer number (115068807).

Almost surely, 2^1226324473 is an apocalyptic number.

It is an amenable number.

1226324473 is a deficient number, since it is larger than the sum of its proper divisors (154501211).

1226324473 is a wasteful number, since it uses less digits than its factorization.

1226324473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247256 (or 247245 counting only the distinct ones).

The product of its digits is 48384, while the sum is 34.

The square root of 1226324473 is about 35018.9159312506. The cubic root of 1226324473 is about 1070.3729660306.

The spelling of 1226324473 in words is "one billion, two hundred twenty-six million, three hundred twenty-four thousand, four hundred seventy-three".