10225402331665 has 4 divisors (see below), whose sum is σ = 12270482798004. Its totient is φ = 8180321865328.

The previous prime is 10225402331597. The next prime is 10225402331671. The reversal of 10225402331665 is 56613320452201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6090979576081 + 4134422755584 = 2467991^2 + 2033328^2 .

It is a cyclic number.

It is not a de Polignac number, because 10225402331665 - 2¹⁹ = 10225401807377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022540233162 + ... + 1022540233171.

It is an arithmetic number, because the mean of its divisors is an integer number (3067620699501).

Almost surely, 2^{10225402331665} is an apocalyptic number.

It is an amenable number.

10225402331665 is a deficient number, since it is larger than the sum of its proper divisors (2045080466339).

10225402331665 is an equidigital number, since it uses as much as digits as its factorization.

10225402331665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045080466338.

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 10225402331665 its reverse (56613320452201), we get a palindrome (66838722783866).

The spelling of 10225402331665 in words is "ten trillion, two hundred twenty-five billion, four hundred two million, three hundred thirty-one thousand, six hundred sixty-five".