224253132544 has 72 divisors (see below), whose sum is σ = 512019122048. Its totient is φ = 96025512960.

The previous prime is 224253132539. The next prime is 224253132553. The reversal of 224253132544 is 445231352422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2044999 + ... + 2151865.

Almost surely, 2^224253132544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224253132544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256009561024).

224253132544 is an abundant number, since it is smaller than the sum of its proper divisors (287765989504).

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

224253132544 is a wasteful number, since it uses less digits than its factorization.

224253132544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108061 (or 108047 counting only the distinct ones).

The product of its digits is 230400, while the sum is 37.

Adding to 224253132544 its reverse (445231352422), we get a palindrome (669484484966).

The spelling of 224253132544 in words is "two hundred twenty-four billion, two hundred fifty-three million, one hundred thirty-two thousand, five hundred forty-four".