22179859097 has 4 divisors (see below), whose sum is σ = 24196209936. Its totient is φ = 20163508260.

The previous prime is 22179859043. The next prime is 22179859103. The reversal of 22179859097 is 79095897122.

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 22179859097 - 2¹⁰ = 22179858073 is a prime.

It is a super-2 number, since 2×22179859097² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22179859007) 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, 1008175403 + ... + 1008175424.

It is an arithmetic number, because the mean of its divisors is an integer number (6049052484).

Almost surely, 2^22179859097 is an apocalyptic number.

It is an amenable number.

22179859097 is a deficient number, since it is larger than the sum of its proper divisors (2016350839).

22179859097 is a wasteful number, since it uses less digits than its factorization.

22179859097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016350838.

The product of its (nonzero) digits is 5715360, while the sum is 59.

The spelling of 22179859097 in words is "twenty-two billion, one hundred seventy-nine million, eight hundred fifty-nine thousand, ninety-seven".