422722697 has 12 divisors (see below), whose sum is σ = 472392756. Its totient is φ = 376911360.

The previous prime is 422722693. The next prime is 422722739. The reversal of 422722697 is 796227224.

It can be written as a sum of positive squares in 2 ways, for example, as 123121216 + 299601481 = 11096^2 + 17309^2 .

It is not a de Polignac number, because 422722697 - 2² = 422722693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422722693) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 28304 + ... + 40577.

It is an arithmetic number, because the mean of its divisors is an integer number (39366063).

Almost surely, 2^422722697 is an apocalyptic number.

It is an amenable number.

422722697 is a deficient number, since it is larger than the sum of its proper divisors (49670059).

422722697 is a wasteful number, since it uses less digits than its factorization.

422722697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68936 (or 68917 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 422722697 is about 20560.2212293545. The cubic root of 422722697 is about 750.5020028788.

The spelling of 422722697 in words is "four hundred twenty-two million, seven hundred twenty-two thousand, six hundred ninety-seven".