22051651722 has 8 divisors (see below), whose sum is σ = 44103303456. Its totient is φ = 7350550572.

The previous prime is 22051651717. The next prime is 22051651747. The reversal of 22051651722 is 22715615022.

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

22051651722 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1837637638 + ... + 1837637649.

It is an arithmetic number, because the mean of its divisors is an integer number (5512912932).

Almost surely, 2^22051651722 is an apocalyptic number.

22051651722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22051651722 is a wasteful number, since it uses less digits than its factorization.

22051651722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675275292.

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 22051651722 in words is "twenty-two billion, fifty-one million, six hundred fifty-one thousand, seven hundred twenty-two".