442225133375223 has 64 divisors (see below), whose sum is σ = 688178821575168. Its totient is φ = 249618846597120.

The previous prime is 442225133375219. The next prime is 442225133375237. The reversal of 442225133375223 is 322573331522244.

It is a happy number.

It is not a de Polignac number, because 442225133375223 - 2² = 442225133375219 is a prime.

It is a super-2 number, since 2×442225133375223² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442225133375273) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 452097636 + ... + 453074742.

It is an arithmetic number, because the mean of its divisors is an integer number (10752794087112).

Almost surely, 2^{442225133375223} is an apocalyptic number.

442225133375223 is a deficient number, since it is larger than the sum of its proper divisors (245953688199945).

442225133375223 is a wasteful number, since it uses less digits than its factorization.

442225133375223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985552.

The product of its digits is 7257600, while the sum is 48.

Adding to 442225133375223 its reverse (322573331522244), we get a palindrome (764798464897467).

The spelling of 442225133375223 in words is "four hundred forty-two trillion, two hundred twenty-five billion, one hundred thirty-three million, three hundred seventy-five thousand, two hundred twenty-three".