22046223636 has 36 divisors (see below), whose sum is σ = 56913659712. Its totient is φ = 7192384464.

The previous prime is 22046223623. The next prime is 22046223701. The reversal of 22046223636 is 63632264022.

22046223636 is a `hidden beast` number, since 2 + 20 + 4 + 622 + 3 + 6 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22046223636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6513150 + ... + 6516533.

It is an arithmetic number, because the mean of its divisors is an integer number (1580934992).

Almost surely, 2^22046223636 is an apocalyptic number.

It is an amenable number.

22046223636 is an abundant number, since it is smaller than the sum of its proper divisors (34867436076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22046223636 is a wasteful number, since it uses less digits than its factorization.

22046223636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13029740 (or 13029735 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 22046223636 its reverse (63632264022), we get a palindrome (85678487658).

The spelling of 22046223636 in words is "twenty-two billion, forty-six million, two hundred twenty-three thousand, six hundred thirty-six".