22472138617 has 4 divisors (see below), whose sum is σ = 22475399056. Its totient is φ = 22468878180.

The previous prime is 22472138567. The next prime is 22472138621. The reversal of 22472138617 is 71683127422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22472138617 - 2¹⁹ = 22471614329 is a prime.

It is a super-3 number, since 3×22472138617³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22472135617) 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, 1619859 + ... + 1633672.

It is an arithmetic number, because the mean of its divisors is an integer number (5618849764).

Almost surely, 2^22472138617 is an apocalyptic number.

It is an amenable number.

22472138617 is a deficient number, since it is larger than the sum of its proper divisors (3260439).

22472138617 is an equidigital number, since it uses as much as digits as its factorization.

22472138617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260438.

The product of its digits is 225792, while the sum is 43.

The spelling of 22472138617 in words is "twenty-two billion, four hundred seventy-two million, one hundred thirty-eight thousand, six hundred seventeen".