442012003215225 has 96 divisors (see below), whose sum is σ = 753362728449408. Its totient is φ = 228532700160000.

The previous prime is 442012003215221. The next prime is 442012003215281. The reversal of 442012003215225 is 522512300210244.

It is not a de Polignac number, because 442012003215225 - 2² = 442012003215221 is a prime.

It is a super-2 number, since 2×442012003215225² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442012003215221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2546637445 + ... + 2546811005.

It is an arithmetic number, because the mean of its divisors is an integer number (7847528421348).

Almost surely, 2^{442012003215225} is an apocalyptic number.

It is an amenable number.

442012003215225 is a deficient number, since it is larger than the sum of its proper divisors (311350725234183).

442012003215225 is a wasteful number, since it uses less digits than its factorization.

442012003215225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178859 (or 178854 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 442012003215225 its reverse (522512300210244), we get a palindrome (964524303425469).

The spelling of 442012003215225 in words is "four hundred forty-two trillion, twelve billion, three million, two hundred fifteen thousand, two hundred twenty-five".