1222420323 has 8 divisors (see below), whose sum is σ = 1645126848. Its totient is φ = 807330344.

The previous prime is 1222420301. The next prime is 1222420333. The reversal of 1222420323 is 3230242221.

1222420323 is digitally balanced in base 4, 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 cyclic number.

It is not a de Polignac number, because 1222420323 - 2⁹ = 1222419811 is a prime.

It is a super-2 number, since 2×1222420323² = 2988622892166848658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1222420323.

It is not an unprimeable number, because it can be changed into a prime (1222420333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1903761 + ... + 1904402.

It is an arithmetic number, because the mean of its divisors is an integer number (205640856).

Almost surely, 2^1222420323 is an apocalyptic number.

1222420323 is a deficient number, since it is larger than the sum of its proper divisors (422706525).

1222420323 is a wasteful number, since it uses less digits than its factorization.

1222420323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808273.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1222420323 is about 34963.1280494180. The cubic root of 1222420323 is about 1069.2358718821.

Adding to 1222420323 its reverse (3230242221), we get a palindrome (4452662544).

The spelling of 1222420323 in words is "one billion, two hundred twenty-two million, four hundred twenty thousand, three hundred twenty-three".