2028226 has 4 divisors (see below), whose sum is σ = 3042342. Its totient is φ = 1014112.

The previous prime is 2028223. The next prime is 2028227. The reversal of 2028226 is 6228202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1030225 + 998001 = 1015^2 + 999^2 .

It is a super-2 number, since 2×2028226² = 8227401414152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2028197 and 2028206.

It is not an unprimeable number, because it can be changed into a prime (2028223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507055 + ... + 507058.

2^2028226 is an apocalyptic number.

2028226 is a deficient number, since it is larger than the sum of its proper divisors (1014116).

2028226 is a wasteful number, since it uses less digits than its factorization.

2028226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014115.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2028226 is about 1424.1579968529. The cubic root of 2028226 is about 126.5820472069.

The spelling of 2028226 in words is "two million, twenty-eight thousand, two hundred twenty-six".