25522162415426 has 4 divisors (see below), whose sum is σ = 38283243623142. Its totient is φ = 12761081207712.

The previous prime is 25522162415423. The next prime is 25522162415569. The reversal of 25522162415426 is 62451426122552.

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

It can be written as a sum of positive squares in only one way, i.e., 23652513658225 + 1869648757201 = 4863385^2 + 1367351^2 .

It is a super-2 number, since 2×25522162415426² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25522162415423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6380540603855 + ... + 6380540603858.

Almost surely, 2^{25522162415426} is an apocalyptic number.

25522162415426 is a deficient number, since it is larger than the sum of its proper divisors (12761081207716).

25522162415426 is a wasteful number, since it uses less digits than its factorization.

25522162415426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12761081207715.

The product of its digits is 2304000, while the sum is 47.

Adding to 25522162415426 its reverse (62451426122552), we get a palindrome (87973588537978).

The spelling of 25522162415426 in words is "twenty-five trillion, five hundred twenty-two billion, one hundred sixty-two million, four hundred fifteen thousand, four hundred twenty-six".