2266121 has 24 divisors (see below), whose sum is σ = 2846016. Its totient is φ = 1784640.

The previous prime is 2266109. The next prime is 2266129. The reversal of 2266121 is 1216622.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2266121 is a prime.

It is a super-3 number, since 3×2266121³ = 34911663335877868683, which contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2266093 and 2266102.

It is not an unprimeable number, because it can be changed into a prime (2266129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42731 + ... + 42783.

It is an arithmetic number, because the mean of its divisors is an integer number (118584).

2^2266121 is an apocalyptic number.

It is an amenable number.

2266121 is a deficient number, since it is larger than the sum of its proper divisors (579895).

2266121 is a wasteful number, since it uses less digits than its factorization.

2266121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 100 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 2266121 is about 1505.3640755644. The cubic root of 2266121 is about 131.3492805896.

The spelling of 2266121 in words is "two million, two hundred sixty-six thousand, one hundred twenty-one".