1222246443 has 8 divisors (see below), whose sum is σ = 1777813056. Its totient is φ = 740755400.

The previous prime is 1222246429. The next prime is 1222246451. The reversal of 1222246443 is 3446422221.

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

It is not a de Polignac number, because 1222246443 - 2⁵ = 1222246411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222246443.

It is not an unprimeable number, because it can be changed into a prime (1222246453) 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 in 7 ways as a sum of consecutive naturals, for example, 18518853 + ... + 18518918.

It is an arithmetic number, because the mean of its divisors is an integer number (222226632).

Almost surely, 2^1222246443 is an apocalyptic number.

1222246443 is a deficient number, since it is larger than the sum of its proper divisors (555566613).

1222246443 is a wasteful number, since it uses less digits than its factorization.

1222246443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37037785.

The product of its digits is 18432, while the sum is 30.

The square root of 1222246443 is about 34960.6413413713. The cubic root of 1222246443 is about 1069.1851725862.

Adding to 1222246443 its reverse (3446422221), we get a palindrome (4668668664).

The spelling of 1222246443 in words is "one billion, two hundred twenty-two million, two hundred forty-six thousand, four hundred forty-three".