22256162615066 has 4 divisors (see below), whose sum is σ = 33384243922602. Its totient is φ = 11128081307532.

The previous prime is 22256162615039. The next prime is 22256162615101. The reversal of 22256162615066 is 66051626165222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20922070624225 + 1334091990841 = 4574065^2 + 1155029^2 .

It is a super-2 number, since 2×22256162615066² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5564040653765 + ... + 5564040653768.

Almost surely, 2^{22256162615066} is an apocalyptic number.

22256162615066 is a deficient number, since it is larger than the sum of its proper divisors (11128081307536).

22256162615066 is a wasteful number, since it uses less digits than its factorization.

22256162615066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11128081307535.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 22256162615066 in words is "twenty-two trillion, two hundred fifty-six billion, one hundred sixty-two million, six hundred fifteen thousand, sixty-six".