2226989 has 2 divisors, whose sum is σ = 2226990. Its totient is φ = 2226988.

The previous prime is 2226953. The next prime is 2227003. The reversal of 2226989 is 9896222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2220100 + 6889 = 1490^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 2226989 - 2⁸ = 2226733 is a prime.

It is a super-2 number, since 2×2226989² = 9918960012242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2226089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113494 + 1113495.

It is an arithmetic number, because the mean of its divisors is an integer number (1113495).

2^2226989 is an apocalyptic number.

It is an amenable number.

2226989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2226989 is an equidigital number, since it uses as much as digits as its factorization.

2226989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 2226989 is about 1492.3099543996. The cubic root of 2226989 is about 130.5888279230.

The spelling of 2226989 in words is "two million, two hundred twenty-six thousand, nine hundred eighty-nine".