22546311161 has 8 divisors (see below), whose sum is σ = 24649801824. Its totient is φ = 20451791520.

The previous prime is 22546311133. The next prime is 22546311167. The reversal of 22546311161 is 16111364522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22546311161 - 2¹⁴ = 22546294777 is a prime.

It is a super-2 number, since 2×22546311161² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22546311167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2237495 + ... + 2247548.

It is an arithmetic number, because the mean of its divisors is an integer number (3081225228).

Almost surely, 2^22546311161 is an apocalyptic number.

It is an amenable number.

22546311161 is a deficient number, since it is larger than the sum of its proper divisors (2103490663).

22546311161 is a wasteful number, since it uses less digits than its factorization.

22546311161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485511.

The product of its digits is 8640, while the sum is 32.

Adding to 22546311161 its reverse (16111364522), we get a palindrome (38657675683).

The spelling of 22546311161 in words is "twenty-two billion, five hundred forty-six million, three hundred eleven thousand, one hundred sixty-one".