1222431334 has 4 divisors (see below), whose sum is σ = 1833647004. Its totient is φ = 611215666.

The previous prime is 1222431323. The next prime is 1222431337. The reversal of 1222431334 is 4331342221.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1222431299 and 1222431308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222431337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305607832 + ... + 305607835.

It is an arithmetic number, because the mean of its divisors is an integer number (458411751).

Almost surely, 2^1222431334 is an apocalyptic number.

1222431334 is a deficient number, since it is larger than the sum of its proper divisors (611215670).

1222431334 is an equidigital number, since it uses as much as digits as its factorization.

1222431334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611215669.

The product of its digits is 3456, while the sum is 25.

The square root of 1222431334 is about 34963.2855149513. The cubic root of 1222431334 is about 1069.2390822675.

Adding to 1222431334 its reverse (4331342221), we get a palindrome (5553773555).

The spelling of 1222431334 in words is "one billion, two hundred twenty-two million, four hundred thirty-one thousand, three hundred thirty-four".