22456668890 has 8 divisors (see below), whose sum is σ = 40422004020. Its totient is φ = 8982667552.

The previous prime is 22456668847. The next prime is 22456668911. The reversal of 22456668890 is 9886665422.

It can be written as a sum of positive squares in 2 ways, for example, as 22293774721 + 162894169 = 149311^2 + 12763^2 .

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

It is an unprimeable number.

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, 1122833435 + ... + 1122833454.

Almost surely, 2^22456668890 is an apocalyptic number.

22456668890 is a deficient number, since it is larger than the sum of its proper divisors (17965335130).

22456668890 is a wasteful number, since it uses less digits than its factorization.

22456668890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245666896.

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 22456668890 in words is "twenty-two billion, four hundred fifty-six million, six hundred sixty-eight thousand, eight hundred ninety".