22061156069 has 4 divisors (see below), whose sum is σ = 22063342080. Its totient is φ = 22058970060.

The previous prime is 22061155979. The next prime is 22061156093. The reversal of 22061156069 is 96065116022.

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 22061156069 - 2⁸ = 22061155813 is a prime.

It is a super-2 number, since 2×22061156069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061156569) 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 3 ways as a sum of consecutive naturals, for example, 1077797 + ... + 1098074.

It is an arithmetic number, because the mean of its divisors is an integer number (5515835520).

Almost surely, 2^22061156069 is an apocalyptic number.

It is an amenable number.

22061156069 is a deficient number, since it is larger than the sum of its proper divisors (2186011).

22061156069 is a wasteful number, since it uses less digits than its factorization.

22061156069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186010.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 22061156069 in words is "twenty-two billion, sixty-one million, one hundred fifty-six thousand, sixty-nine".