17222449097 has 18 divisors (see below), whose sum is σ = 21217430682. Its totient is φ = 13890684864.

The previous prime is 17222449081. The next prime is 17222449109. The reversal of 17222449097 is 79094422271.

It can be written as a sum of positive squares in only one way, i.e., 16209363856 + 1013085241 = 127316^2 + 31829^2 .

It is not a de Polignac number, because 17222449097 - 2⁴ = 17222449081 is a prime.

It is a super-2 number, since 2×17222449097² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (17222449067) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3785378 + ... + 3789924.

It is an arithmetic number, because the mean of its divisors is an integer number (1178746149).

Almost surely, 2^17222449097 is an apocalyptic number.

17222449097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

17222449097 is a deficient number, since it is larger than the sum of its proper divisors (3994981585).

17222449097 is an frugal number, since it uses more digits than its factorization.

17222449097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9125 (or 4571 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 17222449097 in words is "seventeen billion, two hundred twenty-two million, four hundred forty-nine thousand, ninety-seven".