22022011232220 has 24 divisors (see below), whose sum is σ = 61661631450384. Its totient is φ = 5872536328576.

The previous prime is 22022011232219. The next prime is 22022011232251. The reversal of 22022011232220 is 2223211022022.

It is a super-2 number, since 2×22022011232220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183516760209 + ... + 183516760328.

It is an arithmetic number, because the mean of its divisors is an integer number (2569234643766).

Almost surely, 2^{22022011232220} is an apocalyptic number.

22022011232220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022011232220 is an abundant number, since it is smaller than the sum of its proper divisors (39639620218164).

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

22022011232220 is a wasteful number, since it uses less digits than its factorization.

22022011232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367033520549 (or 367033520547 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22022011232220 its reverse (2223211022022), we get a palindrome (24245222254242).

The spelling of 22022011232220 in words is "twenty-two trillion, twenty-two billion, eleven million, two hundred thirty-two thousand, two hundred twenty".