1222345214 has 4 divisors (see below), whose sum is σ = 1833517824. Its totient is φ = 611172606.

The previous prime is 1222345213. The next prime is 1222345231. The reversal of 1222345214 is 4125432221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4125432221 = 4013 ⋅1028017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222345211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305586302 + ... + 305586305.

It is an arithmetic number, because the mean of its divisors is an integer number (458379456).

Almost surely, 2^1222345214 is an apocalyptic number.

1222345214 is a deficient number, since it is larger than the sum of its proper divisors (611172610).

1222345214 is an equidigital number, since it uses as much as digits as its factorization.

1222345214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611172609.

The product of its digits is 3840, while the sum is 26.

The square root of 1222345214 is about 34962.0539156383. The cubic root of 1222345214 is about 1069.2139724638.

Adding to 1222345214 its reverse (4125432221), we get a palindrome (5347777435).

The spelling of 1222345214 in words is "one billion, two hundred twenty-two million, three hundred forty-five thousand, two hundred fourteen".