22022263503605 has 4 divisors (see below), whose sum is σ = 26426716204332. Its totient is φ = 17617810802880.

The previous prime is 22022263503593. The next prime is 22022263503787. The reversal of 22022263503605 is 50630536222022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6771621790756 + 15250641712849 = 2602234^2 + 3905207^2 .

It is not a de Polignac number, because 22022263503605 - 2¹⁴ = 22022263487221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202226350356 + ... + 2202226350365.

It is an arithmetic number, because the mean of its divisors is an integer number (6606679051083).

Almost surely, 2^{22022263503605} is an apocalyptic number.

It is an amenable number.

22022263503605 is a deficient number, since it is larger than the sum of its proper divisors (4404452700727).

22022263503605 is an equidigital number, since it uses as much as digits as its factorization.

22022263503605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404452700726.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 22022263503605 its reverse (50630536222022), we get a palindrome (72652799725627).

The spelling of 22022263503605 in words is "twenty-two trillion, twenty-two billion, two hundred sixty-three million, five hundred three thousand, six hundred five".