22400406642266 has 8 divisors (see below), whose sum is σ = 33665102498484. Its totient is φ = 11178705809440.

The previous prime is 22400406642259. The next prime is 22400406642329. The reversal of 22400406642266 is 66224660400422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19677395118241 + 2723011524025 = 4435921^2 + 1650155^2 .

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

It is a super-2 number, since 2×22400406642266² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10748754545 + ... + 10748756628.

Almost surely, 2^{22400406642266} is an apocalyptic number.

22400406642266 is a deficient number, since it is larger than the sum of its proper divisors (11264695856218).

22400406642266 is a wasteful number, since it uses less digits than its factorization.

22400406642266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21497511696.

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 22400406642266 in words is "twenty-two trillion, four hundred billion, four hundred six million, six hundred forty-two thousand, two hundred sixty-six".