10219066722 has 18 divisors (see below), whose sum is σ = 22142240523. Its totient is φ = 3406212612.

The previous prime is 10219066717. The next prime is 10219066751. The reversal of 10219066722 is 22766091201.

It can be written as a sum of positive squares in only one way, i.e., 5109533361 + 5109533361 = 71481^2 + 71481^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=71481.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 416973 + ... + 440799.

Almost surely, 2^10219066722 is an apocalyptic number.

10219066722 is an abundant number, since it is smaller than the sum of its proper divisors (11923173801).

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

10219066722 is an frugal number, since it uses more digits than its factorization.

10219066722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47662 (or 23832 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 10219066722 in words is "ten billion, two hundred nineteen million, sixty-six thousand, seven hundred twenty-two".