1222894350259 has 4 divisors (see below), whose sum is σ = 1231692151480. Its totient is φ = 1214096549040.

The previous prime is 1222894350253. The next prime is 1222894350269. The reversal of 1222894350259 is 9520534982221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222894350259 - 2¹⁷ = 1222894219187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222894350253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4398900402 + ... + 4398900679.

It is an arithmetic number, because the mean of its divisors is an integer number (307923037870).

Almost surely, 2^{1222894350259} is an apocalyptic number.

1222894350259 is a deficient number, since it is larger than the sum of its proper divisors (8797801221).

1222894350259 is an equidigital number, since it uses as much as digits as its factorization.

1222894350259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8797801220.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 1222894350259 in words is "one trillion, two hundred twenty-two billion, eight hundred ninety-four million, three hundred fifty thousand, two hundred fifty-nine".