2202630421636 has 6 divisors (see below), whose sum is σ = 3854603237870. Its totient is φ = 1101315210816.

The previous prime is 2202630421517. The next prime is 2202630421643. The reversal of 2202630421636 is 6361240362022.

It can be written as a sum of positive squares in only one way, i.e., 2199455099136 + 3175322500 = 1483056^2 + 56350^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2202630421595 and 2202630421604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275328802701 + ... + 275328802708.

Almost surely, 2^{2202630421636} is an apocalyptic number.

It is an amenable number.

2202630421636 is a deficient number, since it is larger than the sum of its proper divisors (1651972816234).

2202630421636 is a wasteful number, since it uses less digits than its factorization.

2202630421636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550657605413 (or 550657605411 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 2202630421636 its reverse (6361240362022), we get a palindrome (8563870783658).

The spelling of 2202630421636 in words is "two trillion, two hundred two billion, six hundred thirty million, four hundred twenty-one thousand, six hundred thirty-six".