22022022221120 has 56 divisors (see below), whose sum is σ = 53857236129864. Its totient is φ = 8570732967936.

The previous prime is 22022022221057. The next prime is 22022022221123. The reversal of 22022022221120 is 2112222022022.

It can be written as a sum of positive squares in 4 ways, for example, as 1762373071936 + 20259649149184 = 1327544^2 + 4501072^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22022022221092 and 22022022221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022022221123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929972207 + ... + 929995886.

Almost surely, 2^{22022022221120} is an apocalyptic number.

22022022221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022022221120 is an abundant number, since it is smaller than the sum of its proper divisors (31835213908744).

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

22022022221120 is a wasteful number, since it uses less digits than its factorization.

22022022221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859968147 (or 1859968137 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22022022221120 its reverse (2112222022022), we get a palindrome (24134244243142).

The spelling of 22022022221120 in words is "twenty-two trillion, twenty-two billion, twenty-two million, two hundred twenty-one thousand, one hundred twenty".