2212220342 has 4 divisors (see below), whose sum is σ = 3318330516. Its totient is φ = 1106110170.

The previous prime is 2212220341. The next prime is 2212220363. The reversal of 2212220342 is 2430222122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212220341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553055084 + ... + 553055087.

It is an arithmetic number, because the mean of its divisors is an integer number (829582629).

Almost surely, 2^2212220342 is an apocalyptic number.

2212220342 is a deficient number, since it is larger than the sum of its proper divisors (1106110174).

2212220342 is a wasteful number, since it uses less digits than its factorization.

2212220342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106110173.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2212220342 is about 47034.2464806230. The cubic root of 2212220342 is about 1302.9951339064.

Adding to 2212220342 its reverse (2430222122), we get a palindrome (4642442464).

The spelling of 2212220342 in words is "two billion, two hundred twelve million, two hundred twenty thousand, three hundred forty-two".