22368806651 has 4 divisors (see below), whose sum is σ = 22426310400. Its totient is φ = 22311302904.

The previous prime is 22368806599. The next prime is 22368806671. The reversal of 22368806651 is 15660886322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15660886322 = 2 ⋅7830443161.

It is a cyclic number.

It is not a de Polignac number, because 22368806651 - 2¹⁴ = 22368790267 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22368806596 and 22368806605.

It is not an unprimeable number, because it can be changed into a prime (22368806671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28751291 + ... + 28752068.

It is an arithmetic number, because the mean of its divisors is an integer number (5606577600).

Almost surely, 2^22368806651 is an apocalyptic number.

22368806651 is a deficient number, since it is larger than the sum of its proper divisors (57503749).

22368806651 is an equidigital number, since it uses as much as digits as its factorization.

22368806651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57503748.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 22368806651 in words is "twenty-two billion, three hundred sixty-eight million, eight hundred six thousand, six hundred fifty-one".