224420105545 has 16 divisors (see below), whose sum is σ = 271164675600. Its totient is φ = 178296192000.

The previous prime is 224420105521. The next prime is 224420105549. The reversal of 224420105545 is 545501024422.

It can be written as a sum of positive squares in 8 ways, for example, as 3392247049 + 221027858496 = 58243^2 + 470136^2 .

It is not a de Polignac number, because 224420105545 - 2²⁷ = 224285887817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224420105545.

It is not an unprimeable number, because it can be changed into a prime (224420105549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4175845 + ... + 4229245.

It is an arithmetic number, because the mean of its divisors is an integer number (16947792225).

Almost surely, 2^224420105545 is an apocalyptic number.

It is an amenable number.

224420105545 is a deficient number, since it is larger than the sum of its proper divisors (46744570055).

224420105545 is a wasteful number, since it uses less digits than its factorization.

224420105545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59196.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 224420105545 its reverse (545501024422), we get a palindrome (769921129967).

The spelling of 224420105545 in words is "two hundred twenty-four billion, four hundred twenty million, one hundred five thousand, five hundred forty-five".