22161674359 has 4 divisors (see below), whose sum is σ = 24176372040. Its totient is φ = 20146976680.

The previous prime is 22161674323. The next prime is 22161674377. The reversal of 22161674359 is 95347616122.

It is a happy number.

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 22161674359 - 2²¹ = 22159577207 is a prime.

It is a super-2 number, since 2×22161674359² (a number of 21 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 (22161674399) 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, 1007348824 + ... + 1007348845.

It is an arithmetic number, because the mean of its divisors is an integer number (6044093010).

Almost surely, 2^22161674359 is an apocalyptic number.

22161674359 is a deficient number, since it is larger than the sum of its proper divisors (2014697681).

22161674359 is a wasteful number, since it uses less digits than its factorization.

22161674359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014697680.

The product of its digits is 544320, while the sum is 46.

The spelling of 22161674359 in words is "twenty-two billion, one hundred sixty-one million, six hundred seventy-four thousand, three hundred fifty-nine".