1226445194 has 16 divisors (see below), whose sum is σ = 1985172000. Its totient is φ = 564911280.

The previous prime is 1226445173. The next prime is 1226445203. The reversal of 1226445194 is 4915446221.

It is a Curzon number.

It is an unprimeable number.

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, 34292 + ... + 60239.

It is an arithmetic number, because the mean of its divisors is an integer number (124073250).

Almost surely, 2^1226445194 is an apocalyptic number.

1226445194 is a deficient number, since it is larger than the sum of its proper divisors (758726806).

1226445194 is a wasteful number, since it uses less digits than its factorization.

1226445194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95045.

The product of its digits is 69120, while the sum is 38.

The square root of 1226445194 is about 35020.6395429895. The cubic root of 1226445194 is about 1070.4080878541.

The spelling of 1226445194 in words is "one billion, two hundred twenty-six million, four hundred forty-five thousand, one hundred ninety-four".