22161260033 has 16 divisors (see below), whose sum is σ = 25806781440. Its totient is φ = 18817419600.

The previous prime is 22161260021. The next prime is 22161260047. The reversal of 22161260033 is 33006216122.

It is a cyclic number.

It is not a de Polignac number, because 22161260033 - 2⁸ = 22161259777 is a prime.

It is a super-2 number, since 2×22161260033² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22161259984 and 22161260011.

It is not an unprimeable number, because it can be changed into a prime (22161260003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731885 + ... + 761562.

It is an arithmetic number, because the mean of its divisors is an integer number (1612923840).

Almost surely, 2^22161260033 is an apocalyptic number.

It is an amenable number.

22161260033 is a deficient number, since it is larger than the sum of its proper divisors (3645521407).

22161260033 is a wasteful number, since it uses less digits than its factorization.

22161260033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493548.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 22161260033 its reverse (33006216122), we get a palindrome (55167476155).

The spelling of 22161260033 in words is "twenty-two billion, one hundred sixty-one million, two hundred sixty thousand, thirty-three".