3621211222022 has 4 divisors (see below), whose sum is σ = 5431816833036. Its totient is φ = 1810605611010.

The previous prime is 3621211222001. The next prime is 3621211222051. The reversal of 3621211222022 is 2202221121263.

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

It is a super-3 number, since 3×3621211222022³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 3621211221982 and 3621211222000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905302805504 + ... + 905302805507.

It is an arithmetic number, because the mean of its divisors is an integer number (1357954208259).

Almost surely, 2^{3621211222022} is an apocalyptic number.

3621211222022 is a deficient number, since it is larger than the sum of its proper divisors (1810605611014).

3621211222022 is a wasteful number, since it uses less digits than its factorization.

3621211222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810605611013.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 3621211222022 its reverse (2202221121263), we get a palindrome (5823432343285).

The spelling of 3621211222022 in words is "three trillion, six hundred twenty-one billion, two hundred eleven million, two hundred twenty-two thousand, twenty-two".