2297621686 has 16 divisors (see below), whose sum is σ = 3605342400. Its totient is φ = 1096731328.

The previous prime is 2297621653. The next prime is 2297621717. The reversal of 2297621686 is 6861267922.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217390 + ... + 227713.

It is an arithmetic number, because the mean of its divisors is an integer number (225333900).

Almost surely, 2^2297621686 is an apocalyptic number.

2297621686 is a deficient number, since it is larger than the sum of its proper divisors (1307720714).

2297621686 is a wasteful number, since it uses less digits than its factorization.

2297621686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445223.

The product of its digits is 870912, while the sum is 49.

The square root of 2297621686 is about 47933.5131823237. The cubic root of 2297621686 is about 1319.5509809617.

The spelling of 2297621686 in words is "two billion, two hundred ninety-seven million, six hundred twenty-one thousand, six hundred eighty-six".