2351222 has 8 divisors (see below), whose sum is σ = 3602016. Its totient is φ = 1150552.

The previous prime is 2351207. The next prime is 2351263. The reversal of 2351222 is 2221532.

2351222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2351222.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 12413 + ... + 12600.

It is an arithmetic number, because the mean of its divisors is an integer number (450252).

2^2351222 is an apocalyptic number.

2351222 is a deficient number, since it is larger than the sum of its proper divisors (1250794).

2351222 is a wasteful number, since it uses less digits than its factorization.

2351222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25062.

The product of its digits is 240, while the sum is 17.

The square root of 2351222 is about 1533.3694923273. The cubic root of 2351222 is about 132.9733302470.

Adding to 2351222 its reverse (2221532), we get a palindrome (4572754).

The spelling of 2351222 in words is "two million, three hundred fifty-one thousand, two hundred twenty-two".