22213564636 has 6 divisors (see below), whose sum is σ = 38873738120. Its totient is φ = 11106782316.

The previous prime is 22213564621. The next prime is 22213564663. The reversal of 22213564636 is 63646531222.

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, 2776695576 + ... + 2776695583.

Almost surely, 2^22213564636 is an apocalyptic number.

It is an amenable number.

22213564636 is a deficient number, since it is larger than the sum of its proper divisors (16660173484).

22213564636 is a wasteful number, since it uses less digits than its factorization.

22213564636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553391163 (or 5553391161 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The spelling of 22213564636 in words is "twenty-two billion, two hundred thirteen million, five hundred sixty-four thousand, six hundred thirty-six".