1226344456 has 16 divisors (see below), whose sum is σ = 2299802940. Its totient is φ = 613063680.

The previous prime is 1226344433. The next prime is 1226344459. The reversal of 1226344456 is 6544436221.

It can be written as a sum of positive squares in 2 ways, for example, as 1151244900 + 75099556 = 33930^2 + 8666^2 .

It is not an unprimeable number, because it can be changed into a prime (1226344459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54576 + ... + 73696.

Almost surely, 2^1226344456 is an apocalyptic number.

It is an amenable number.

1226344456 is a deficient number, since it is larger than the sum of its proper divisors (1073458484).

1226344456 is a wasteful number, since it uses less digits than its factorization.

1226344456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27144 (or 27140 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

The square root of 1226344456 is about 35019.2012473157. The cubic root of 1226344456 is about 1070.3787799206.

The spelling of 1226344456 in words is "one billion, two hundred twenty-six million, three hundred forty-four thousand, four hundred fifty-six".