224220231020545 has 32 divisors (see below), whose sum is σ = 284232633033600. Its totient is φ = 169331112728064.

The previous prime is 224220231020509. The next prime is 224220231020561. The reversal of 224220231020545 is 545020132022422.

It is a cyclic number.

It is not a de Polignac number, because 224220231020545 - 2¹⁵ = 224220230987777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224220231020545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2146150429 + ... + 2146254901.

It is an arithmetic number, because the mean of its divisors is an integer number (8882269782300).

Almost surely, 2^{224220231020545} is an apocalyptic number.

It is an amenable number.

224220231020545 is a deficient number, since it is larger than the sum of its proper divisors (60012402013055).

224220231020545 is a wasteful number, since it uses less digits than its factorization.

224220231020545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184609.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 224220231020545 its reverse (545020132022422), we get a palindrome (769240363042967).

The spelling of 224220231020545 in words is "two hundred twenty-four trillion, two hundred twenty billion, two hundred thirty-one million, twenty thousand, five hundred forty-five".