2258222 has 4 divisors (see below), whose sum is σ = 3387336. Its totient is φ = 1129110.

The previous prime is 2258213. The next prime is 2258227. The reversal of 2258222 is 2228522.

It is a happy number.

2258222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2228522 = 2 ⋅1114261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258227) 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, 564554 + ... + 564557.

It is an arithmetic number, because the mean of its divisors is an integer number (846834).

2^2258222 is an apocalyptic number.

2258222 is a deficient number, since it is larger than the sum of its proper divisors (1129114).

2258222 is a wasteful number, since it uses less digits than its factorization.

2258222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129113.

The product of its digits is 1280, while the sum is 23.

The square root of 2258222 is about 1502.7381674796. The cubic root of 2258222 is about 131.1964885413.

The spelling of 2258222 in words is "two million, two hundred fifty-eight thousand, two hundred twenty-two".