2228697 has 6 divisors (see below), whose sum is σ = 3219242. Its totient is φ = 1485792.

The previous prime is 2228687. The next prime is 2228711. The reversal of 2228697 is 7968222.

It can be written as a sum of positive squares in only one way, i.e., 1679616 + 549081 = 1296^2 + 741^2 .

It is not a de Polignac number, because 2228697 - 2²⁰ = 1180121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2228657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123808 + ... + 123825.

2^2228697 is an apocalyptic number.

It is an amenable number.

2228697 is a deficient number, since it is larger than the sum of its proper divisors (990545).

2228697 is a wasteful number, since it uses less digits than its factorization.

2228697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247639 (or 247636 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 2228697 is about 1492.8821118896. The cubic root of 2228697 is about 130.6222046363.

The spelling of 2228697 in words is "two million, two hundred twenty-eight thousand, six hundred ninety-seven".