1222382479 has 2 divisors, whose sum is σ = 1222382480. Its totient is φ = 1222382478.

The previous prime is 1222382459. The next prime is 1222382519. The reversal of 1222382479 is 9742832221.

It is a happy number.

It is an a-pointer prime, because the next prime (1222382519) can be obtained adding 1222382479 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222382479 - 2¹¹ = 1222380431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222382429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611191239 + 611191240.

It is an arithmetic number, because the mean of its divisors is an integer number (611191240).

Almost surely, 2^1222382479 is an apocalyptic number.

1222382479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222382479 is an equidigital number, since it uses as much as digits as its factorization.

1222382479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 1222382479 is about 34962.5868465135. The cubic root of 1222382479 is about 1069.2248378760.

The spelling of 1222382479 in words is "one billion, two hundred twenty-two million, three hundred eighty-two thousand, four hundred seventy-nine".