52223225431 has 4 divisors (see below), whose sum is σ = 56240396632. Its totient is φ = 48206054232.

The previous prime is 52223225423. The next prime is 52223225441. The reversal of 52223225431 is 13452232225.

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

It is a cyclic number.

It is not a de Polignac number, because 52223225431 - 2³ = 52223225423 is a prime.

It is a super-2 number, since 2×52223225431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52223225393 and 52223225402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52223225441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2008585581 + ... + 2008585606.

It is an arithmetic number, because the mean of its divisors is an integer number (14060099158).

Almost surely, 2^52223225431 is an apocalyptic number.

52223225431 is a deficient number, since it is larger than the sum of its proper divisors (4017171201).

52223225431 is a wasteful number, since it uses less digits than its factorization.

52223225431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4017171200.

The product of its digits is 28800, while the sum is 31.

Adding to 52223225431 its reverse (13452232225), we get a palindrome (65675457656).

The spelling of 52223225431 in words is "fifty-two billion, two hundred twenty-three million, two hundred twenty-five thousand, four hundred thirty-one".