2222506306349 has 4 divisors (see below), whose sum is σ = 2540007207264. Its totient is φ = 1905005405436.

The previous prime is 2222506306289. The next prime is 2222506306403. The reversal of 2222506306349 is 9436036052222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2222506306349 - 2³² = 2218211339053 is a prime.

It is a super-2 number, since 2×2222506306349² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222506306849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158750450447 + ... + 158750450460.

It is an arithmetic number, because the mean of its divisors is an integer number (635001801816).

Almost surely, 2^{2222506306349} is an apocalyptic number.

It is an amenable number.

2222506306349 is a deficient number, since it is larger than the sum of its proper divisors (317500900915).

2222506306349 is an equidigital number, since it uses as much as digits as its factorization.

2222506306349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317500900914.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 2222506306349 in words is "two trillion, two hundred twenty-two billion, five hundred six million, three hundred six thousand, three hundred forty-nine".