22202022220220 has 12 divisors (see below), whose sum is σ = 46624246662504. Its totient is φ = 8880808888080.

The previous prime is 22202022220201. The next prime is 22202022220249. The reversal of 22202022220220 is 2202222020222.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1110101111011 = 22202022220220 / (2 + 2 + 2 + 0 + 2 + 0 + 2 + 2 + 2 + 2 + 0 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 22202022220192 and 22202022220201.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 555050555486 + ... + 555050555525.

It is an arithmetic number, because the mean of its divisors is an integer number (3885353888542).

Almost surely, 2^{22202022220220} is an apocalyptic number.

22202022220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202022220220 is an abundant number, since it is smaller than the sum of its proper divisors (24422224442284).

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

22202022220220 is a wasteful number, since it uses less digits than its factorization.

22202022220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110101111020 (or 1110101111018 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22202022220220 its reverse (2202222020222), we get a palindrome (24404244240442).

The spelling of 22202022220220 in words is "twenty-two trillion, two hundred two billion, twenty-two million, two hundred twenty thousand, two hundred twenty".