1722774897 has 12 divisors (see below), whose sum is σ = 2619424080. Its totient is φ = 1088068248.

The previous prime is 1722774881. The next prime is 1722774901. The reversal of 1722774897 is 7984772271.

It is not a de Polignac number, because 1722774897 - 2⁴ = 1722774881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1722774817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5037183 + ... + 5037524.

It is an arithmetic number, because the mean of its divisors is an integer number (218285340).

Almost surely, 2^1722774897 is an apocalyptic number.

It is an amenable number.

1722774897 is a deficient number, since it is larger than the sum of its proper divisors (896649183).

1722774897 is a wasteful number, since it uses less digits than its factorization.

1722774897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10074732 (or 10074729 counting only the distinct ones).

The product of its digits is 2765952, while the sum is 54.

The square root of 1722774897 is about 41506.3235784621. The cubic root of 1722774897 is about 1198.7892642600.

The spelling of 1722774897 in words is "one billion, seven hundred twenty-two million, seven hundred seventy-four thousand, eight hundred ninety-seven".