2229889 has 2 divisors, whose sum is σ = 2229890. Its totient is φ = 2229888.

The previous prime is 2229883. The next prime is 2229893. The reversal of 2229889 is 9889222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2053489 + 176400 = 1433^2 + 420^2 .

It is a cyclic number.

It is not a de Polignac number, because 2229889 - 2¹⁹ = 1705601 is a prime.

It is a super-3 number, since 3×2229889³ = 33263733320178367107, which contains 333 as substring.

It is a Chen prime.

2229889 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2229883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114944 + 1114945.

It is an arithmetic number, because the mean of its divisors is an integer number (1114945).

2^2229889 is an apocalyptic number.

It is an amenable number.

2229889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2229889 is an equidigital number, since it uses as much as digits as its factorization.

2229889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 40.

The square root of 2229889 is about 1493.2812862954. The cubic root of 2229889 is about 130.6454878848.

The spelling of 2229889 in words is "two million, two hundred twenty-nine thousand, eight hundred eighty-nine".