1222246790 has 32 divisors (see below), whose sum is σ = 2355661440. Its totient is φ = 454964224.

The previous prime is 1222246783. The next prime is 1222246793. The reversal of 1222246790 is 976422221.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222246790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222246793) 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 15 ways as a sum of consecutive naturals, for example, 25262 + ... + 55521.

It is an arithmetic number, because the mean of its divisors is an integer number (73614420).

Almost surely, 2^1222246790 is an apocalyptic number.

1222246790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222246790 is a deficient number, since it is larger than the sum of its proper divisors (1133414650).

1222246790 is a wasteful number, since it uses less digits than its factorization.

1222246790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80896.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1222246790 is about 34960.6463040946. The cubic root of 1222246790 is about 1069.1852737679.

The spelling of 1222246790 in words is "one billion, two hundred twenty-two million, two hundred forty-six thousand, seven hundred ninety".