1223046544 has 80 divisors (see below), whose sum is σ = 2493590400. Its totient is φ = 580580352.

The previous prime is 1223046541. The next prime is 1223046553. The reversal of 1223046544 is 4456403221.

It is not an unprimeable number, because it can be changed into a prime (1223046541) 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 15 ways as a sum of consecutive naturals, for example, 7323549 + ... + 7323715.

It is an arithmetic number, because the mean of its divisors is an integer number (31169880).

Almost surely, 2^1223046544 is an apocalyptic number.

It is an amenable number.

1223046544 is an abundant number, since it is smaller than the sum of its proper divisors (1270543856).

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

1223046544 is a wasteful number, since it uses less digits than its factorization.

1223046544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 1223046544 is about 34972.0823514986. The cubic root of 1223046544 is about 1069.4184232899.

Adding to 1223046544 its reverse (4456403221), we get a palindrome (5679449765).

The spelling of 1223046544 in words is "one billion, two hundred twenty-three million, forty-six thousand, five hundred forty-four".