4228669 has 2 divisors, whose sum is σ = 4228670. Its totient is φ = 4228668.

The previous prime is 4228649. The next prime is 4228673. The reversal of 4228669 is 9668224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2365444 + 1863225 = 1538^2 + 1365^2 .

It is a cyclic number.

It is not a de Polignac number, because 4228669 - 2⁹ = 4228157 is a prime.

It is a super-2 number, since 2×4228669² = 35763283023122, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁴ + 2²¹ + 2²¹ + 8⁵ + 6² + 6⁴ + 9 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4228649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2114334 + 2114335.

It is an arithmetic number, because the mean of its divisors is an integer number (2114335).

Almost surely, 2^4228669 is an apocalyptic number.

It is an amenable number.

4228669 is a deficient number, since it is larger than the sum of its proper divisors (1).

4228669 is an equidigital number, since it uses as much as digits as its factorization.

4228669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 4228669 is about 2056.3727774895. The cubic root of 4228669 is about 161.7091387094.

The spelling of 4228669 in words is "four million, two hundred twenty-eight thousand, six hundred sixty-nine".