2223212210522 has 8 divisors (see below), whose sum is σ = 3449812050900. Its totient is φ = 1073274860224.

The previous prime is 2223212210503. The next prime is 2223212210543. The reversal of 2223212210522 is 2250122123222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2007183396001 + 216028814521 = 1416751^2 + 464789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2223212210491 and 2223212210500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19165622447 + ... + 19165622562.

Almost surely, 2^{2223212210522} is an apocalyptic number.

2223212210522 is a deficient number, since it is larger than the sum of its proper divisors (1226599840378).

2223212210522 is a wasteful number, since it uses less digits than its factorization.

2223212210522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38331245040.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 2223212210522 its reverse (2250122123222), we get a palindrome (4473334333744).

The spelling of 2223212210522 in words is "two trillion, two hundred twenty-three billion, two hundred twelve million, two hundred ten thousand, five hundred twenty-two".