22306321628 has 12 divisors (see below), whose sum is σ = 39238323600. Its totient is φ = 11095372032.

The previous prime is 22306321547. The next prime is 22306321643. The reversal of 22306321628 is 82612360322.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14446328 + ... + 14447871.

It is an arithmetic number, because the mean of its divisors is an integer number (3269860300).

Almost surely, 2^22306321628 is an apocalyptic number.

It is an amenable number.

22306321628 is a deficient number, since it is larger than the sum of its proper divisors (16932001972).

22306321628 is a wasteful number, since it uses less digits than its factorization.

22306321628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28894396 (or 28894394 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 22306321628 in words is "twenty-two billion, three hundred six million, three hundred twenty-one thousand, six hundred twenty-eight".