2233381 has 2 divisors, whose sum is σ = 2233382. Its totient is φ = 2233380.

The previous prime is 2233379. The next prime is 2233391. The reversal of 2233381 is 1833322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 410881 = 1350^2 + 641^2 .

It is a cyclic number.

It is not a de Polignac number, because 2233381 - 2¹ = 2233379 is a prime.

It is a super-2 number, since 2×2233381² = 9975981382322, which contains 22 as substring.

Together with 2233379, it forms a pair of twin primes.

2233381 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2233331) 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 as a sum of consecutive naturals, namely, 1116690 + 1116691.

It is an arithmetic number, because the mean of its divisors is an integer number (1116691).

2^2233381 is an apocalyptic number.

It is an amenable number.

2233381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2233381 is an equidigital number, since it uses as much as digits as its factorization.

2233381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 2233381 is about 1494.4500660778. The cubic root of 2233381 is about 130.7136491411.

The spelling of 2233381 in words is "two million, two hundred thirty-three thousand, three hundred eighty-one".