22204242242220 has 24 divisors (see below), whose sum is σ = 62171878278384. Its totient is φ = 5921131264576.

The previous prime is 22204242242213. The next prime is 22204242242227. The reversal of 22204242242220 is 2224224240222.

It is an interprime number because it is at equal distance from previous prime (22204242242213) and next prime (22204242242227).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (22204242242227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185035351959 + ... + 185035352078.

It is an arithmetic number, because the mean of its divisors is an integer number (2590494928266).

Almost surely, 2^{22204242242220} is an apocalyptic number.

22204242242220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22204242242220 is an abundant number, since it is smaller than the sum of its proper divisors (39967636036164).

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

22204242242220 is a wasteful number, since it uses less digits than its factorization.

22204242242220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370070704049 (or 370070704047 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22204242242220 its reverse (2224224240222), we get a palindrome (24428466482442).

It can be divided in two parts, 2220424 and 2242220, that added together give a palindrome (4462644).

The spelling of 22204242242220 in words is "twenty-two trillion, two hundred four billion, two hundred forty-two million, two hundred forty-two thousand, two hundred twenty".