42213311331225 has 48 divisors (see below), whose sum is σ = 70916859988800. Its totient is φ = 22153992376320.

The previous prime is 42213311331223. The next prime is 42213311331251. The reversal of 42213311331225 is 52213311331224.

It is a happy number.

It is not a de Polignac number, because 42213311331225 - 2¹ = 42213311331223 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42213311331223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16738960 + ... + 19095009.

It is an arithmetic number, because the mean of its divisors is an integer number (1477434583100).

Almost surely, 2^{42213311331225} is an apocalyptic number.

It is an amenable number.

42213311331225 is a deficient number, since it is larger than the sum of its proper divisors (28703548657575).

42213311331225 is a wasteful number, since it uses less digits than its factorization.

42213311331225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35834234 (or 35834229 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

Adding to 42213311331225 its reverse (52213311331224), we get a palindrome (94426622662449).

Subtracting 42213311331225 from its reverse (52213311331224), we obtain a palindrome (9999999999999).

The spelling of 42213311331225 in words is "forty-two trillion, two hundred thirteen billion, three hundred eleven million, three hundred thirty-one thousand, two hundred twenty-five".