1222423413 has 4 divisors (see below), whose sum is σ = 1629897888. Its totient is φ = 814948940.

The previous prime is 1222423373. The next prime is 1222423417. The reversal of 1222423413 is 3143242221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1222423413 - 2¹⁴ = 1222407029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222423417) 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 in 3 ways as a sum of consecutive naturals, for example, 203737233 + ... + 203737238.

It is an arithmetic number, because the mean of its divisors is an integer number (407474472).

Almost surely, 2^1222423413 is an apocalyptic number.

It is an amenable number.

1222423413 is a deficient number, since it is larger than the sum of its proper divisors (407474475).

1222423413 is an equidigital number, since it uses as much as digits as its factorization.

1222423413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407474474.

The product of its digits is 2304, while the sum is 24.

The square root of 1222423413 is about 34963.1722388001. The cubic root of 1222423413 is about 1069.2367728096.

Adding to 1222423413 its reverse (3143242221), we get a palindrome (4365665634).

The spelling of 1222423413 in words is "one billion, two hundred twenty-two million, four hundred twenty-three thousand, four hundred thirteen".