42105225224 has 8 divisors (see below), whose sum is σ = 78947297310. Its totient is φ = 21052612608.

The previous prime is 42105225209. The next prime is 42105225247. The reversal of 42105225224 is 42252250124.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40675629124 + 1429596100 = 201682^2 + 37810^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2631576569 + ... + 2631576584.

Almost surely, 2^42105225224 is an apocalyptic number.

It is an amenable number.

42105225224 is a deficient number, since it is larger than the sum of its proper divisors (36842072086).

42105225224 is a wasteful number, since it uses less digits than its factorization.

42105225224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263153159 (or 5263153155 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 42105225224 its reverse (42252250124), we get a palindrome (84357475348).

The spelling of 42105225224 in words is "forty-two billion, one hundred five million, two hundred twenty-five thousand, two hundred twenty-four".