22691209722 has 8 divisors (see below), whose sum is σ = 45382419456. Its totient is φ = 7563736572.

The previous prime is 22691209711. The next prime is 22691209729. The reversal of 22691209722 is 22790219622.

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

22691209722 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22691209729) 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, 1890934138 + ... + 1890934149.

It is an arithmetic number, because the mean of its divisors is an integer number (5672802432).

Almost surely, 2^22691209722 is an apocalyptic number.

22691209722 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.

22691209722 is a wasteful number, since it uses less digits than its factorization.

22691209722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781868292.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 22691209722 in words is "twenty-two billion, six hundred ninety-one million, two hundred nine thousand, seven hundred twenty-two".