15422472056026 has 20 divisors (see below), whose sum is σ = 26987720268042. Its totient is φ = 6609630879096.

The previous prime is 15422472056021. The next prime is 15422472056041. The reversal of 15422472056026 is 62065027422451.

It can be written as a sum of positive squares in only one way, i.e., 15032098265625 + 390373790401 = 3877125^2 + 624799^2 .

It is not an unprimeable number, because it can be changed into a prime (15422472056021) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1605833605 + ... + 1605843208.

Almost surely, 2^{15422472056026} is an apocalyptic number.

15422472056026 is a deficient number, since it is larger than the sum of its proper divisors (11565248212016).

15422472056026 is an frugal number, since it uses more digits than its factorization.

15422472056026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211676843 (or 3211676822 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 46.

Adding to 15422472056026 its reverse (62065027422451), we get a palindrome (77487499478477).

The spelling of 15422472056026 in words is "fifteen trillion, four hundred twenty-two billion, four hundred seventy-two million, fifty-six thousand, twenty-six".