1223191222 has 16 divisors (see below), whose sum is σ = 2006119872. Its totient is φ = 554736520.

The previous prime is 1223191219. The next prime is 1223191237. The reversal of 1223191222 is 2221913221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53008 + ... + 72499.

It is an arithmetic number, because the mean of its divisors is an integer number (125382492).

Almost surely, 2^1223191222 is an apocalyptic number.

1223191222 is a deficient number, since it is larger than the sum of its proper divisors (782928650).

1223191222 is a wasteful number, since it uses less digits than its factorization.

1223191222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125963.

The product of its digits is 864, while the sum is 25.

The square root of 1223191222 is about 34974.1507688178. The cubic root of 1223191222 is about 1069.4605899103.

The spelling of 1223191222 in words is "one billion, two hundred twenty-three million, one hundred ninety-one thousand, two hundred twenty-two".