22097065088 has 72 divisors (see below), whose sum is σ = 51235976745. Its totient is φ = 9465125376.

The previous prime is 22097065061. The next prime is 22097065091. The reversal of 22097065088 is 88056079022.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 21740912704 + 356152384 = 147448^2 + 18872^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105112.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11771606 + ... + 11773482.

Almost surely, 2^22097065088 is an apocalyptic number.

22097065088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22097065088

22097065088 is an abundant number, since it is smaller than the sum of its proper divisors (29138911657).

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

22097065088 is an frugal number, since it uses more digits than its factorization.

22097065088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782 (or 1886 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 22097065088 in words is "twenty-two billion, ninety-seven million, sixty-five thousand, eighty-eight".