2202391 has 2 divisors, whose sum is σ = 2202392. Its totient is φ = 2202390.

The previous prime is 2202379. The next prime is 2202407. The reversal of 2202391 is 1932022.

It is a happy number.

2202391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2202391 - 2⁵ = 2202359 is a prime.

It is a super-2 number, since 2×2202391² = 9701052233762, which contains 22 as substring.

It is a Chen prime.

2202391 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101195 + 1101196.

It is an arithmetic number, because the mean of its divisors is an integer number (1101196).

2^2202391 is an apocalyptic number.

2202391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202391 is an equidigital number, since it uses as much as digits as its factorization.

2202391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2202391 is about 1484.0454844782. The cubic root of 2202391 is about 130.1062445073.

The spelling of 2202391 in words is "two million, two hundred two thousand, three hundred ninety-one".