1222232894 has 16 divisors (see below), whose sum is σ = 1895831568. Its totient is φ = 590633472.

The previous prime is 1222232873. The next prime is 1222232899. The reversal of 1222232894 is 4982322221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222232899) 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 7 ways as a sum of consecutive naturals, for example, 78947 + ... + 93150.

It is an arithmetic number, because the mean of its divisors is an integer number (118489473).

Almost surely, 2^1222232894 is an apocalyptic number.

1222232894 is a deficient number, since it is larger than the sum of its proper divisors (673598674).

1222232894 is a wasteful number, since it uses less digits than its factorization.

1222232894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172219.

The product of its digits is 27648, while the sum is 35.

The square root of 1222232894 is about 34960.4475657850. The cubic root of 1222232894 is about 1069.1812218162.

The spelling of 1222232894 in words is "one billion, two hundred twenty-two million, two hundred thirty-two thousand, eight hundred ninety-four".