42224202240445 has 16 divisors (see below), whose sum is σ = 50796824092272. Its totient is φ = 33694178918400.

The previous prime is 42224202240293. The next prime is 42224202240449. The reversal of 42224202240445 is 54404220242224.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1674140980996 + 40550061259449 = 1293886^2 + 6367893^2 .

It is not a de Polignac number, because 42224202240445 - 2¹⁹ = 42224201716157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42224202240449) 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, 76140289 + ... + 76692841.

It is an arithmetic number, because the mean of its divisors is an integer number (3174801505767).

Almost surely, 2^{42224202240445} is an apocalyptic number.

It is an amenable number.

42224202240445 is a deficient number, since it is larger than the sum of its proper divisors (8572621851827).

42224202240445 is a wasteful number, since it uses less digits than its factorization.

42224202240445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591072.

The product of its (nonzero) digits is 327680, while the sum is 37.

Adding to 42224202240445 its reverse (54404220242224), we get a palindrome (96628422482669).

The spelling of 42224202240445 in words is "forty-two trillion, two hundred twenty-four billion, two hundred two million, two hundred forty thousand, four hundred forty-five".