2286628 has 6 divisors (see below), whose sum is σ = 4001606. Its totient is φ = 1143312.

The previous prime is 2286623. The next prime is 2286629. The reversal of 2286628 is 8266822.

It can be written as a sum of positive squares in only one way, i.e., 2286144 + 484 = 1512^2 + 22^2 .

It is a super-2 number, since 2×2286628² = 10457335220768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2286593 and 2286602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2286623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285825 + ... + 285832.

2^2286628 is an apocalyptic number.

It is an amenable number.

2286628 is a deficient number, since it is larger than the sum of its proper divisors (1714978).

2286628 is a wasteful number, since it uses less digits than its factorization.

2286628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571661 (or 571659 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 2286628 is about 1512.1600444397. The cubic root of 2286628 is about 131.7443014529.

The spelling of 2286628 in words is "two million, two hundred eighty-six thousand, six hundred twenty-eight".