1223014544 has 20 divisors (see below), whose sum is σ = 2508978924. Its totient is φ = 575536128.

The previous prime is 1223014537. The next prime is 1223014549. The reversal of 1223014544 is 4454103221.

It can be written as a sum of positive squares in 2 ways, for example, as 467424400 + 755590144 = 21620^2 + 27488^2 .

It is not an unprimeable number, because it can be changed into a prime (1223014549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2247917 + ... + 2248460.

Almost surely, 2^1223014544 is an apocalyptic number.

It is an amenable number.

1223014544 is an abundant number, since it is smaller than the sum of its proper divisors (1285964380).

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

1223014544 is a wasteful number, since it uses less digits than its factorization.

1223014544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496402 (or 4496396 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1223014544 is about 34971.6248407191. The cubic root of 1223014544 is about 1069.4090963927.

Adding to 1223014544 its reverse (4454103221), we get a palindrome (5677117765).

The spelling of 1223014544 in words is "one billion, two hundred twenty-three million, fourteen thousand, five hundred forty-four".