22475424431 has 4 divisors (see below), whose sum is σ = 22477768200. Its totient is φ = 22473080664.

The previous prime is 22475424373. The next prime is 22475424467. The reversal of 22475424431 is 13442457422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13442457422 = 2 ⋅6721228711.

It is a cyclic number.

It is not a de Polignac number, because 22475424431 - 2¹⁰ = 22475423407 is a prime.

It is a super-2 number, since 2×22475424431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22475424131) 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, 1157441 + ... + 1176698.

It is an arithmetic number, because the mean of its divisors is an integer number (5619442050).

Almost surely, 2^22475424431 is an apocalyptic number.

22475424431 is a deficient number, since it is larger than the sum of its proper divisors (2343769).

22475424431 is an equidigital number, since it uses as much as digits as its factorization.

22475424431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343768.

The product of its digits is 215040, while the sum is 38.

The spelling of 22475424431 in words is "twenty-two billion, four hundred seventy-five million, four hundred twenty-four thousand, four hundred thirty-one".