426224161422625 has 8 divisors (see below), whose sum is σ = 531927753455592. Its totient is φ = 340979329138000.

The previous prime is 426224161422607. The next prime is 426224161422641. The reversal of 426224161422625 is 526224161422624.

It can be written as a sum of positive squares in 4 ways, for example, as 114171618452544 + 312052542970081 = 10685112^2 + 17665009^2 .

It is not a de Polignac number, because 426224161422625 - 2¹³ = 426224161414433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1704896645566 + ... + 1704896645815.

It is an arithmetic number, because the mean of its divisors is an integer number (66490969181949).

Almost surely, 2^{426224161422625} is an apocalyptic number.

It is an amenable number.

426224161422625 is a deficient number, since it is larger than the sum of its proper divisors (105703592032967).

426224161422625 is an equidigital number, since it uses as much as digits as its factorization.

426224161422625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409793291396 (or 3409793291386 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 49.

Subtracting 426224161422625 from its reverse (526224161422624), we obtain a palindrome (99999999999999).

The spelling of 426224161422625 in words is "four hundred twenty-six trillion, two hundred twenty-four billion, one hundred sixty-one million, four hundred twenty-two thousand, six hundred twenty-five".