22211304120 has 96 divisors (see below), whose sum is σ = 73175684400. Its totient is φ = 5841870336.

The previous prime is 22211304097. The next prime is 22211304121. The reversal of 22211304120 is 2140311222.

It is a happy number.

22211304120 is a `hidden beast` number, since 2 + 221 + 1 + 30 + 412 + 0 = 666.

It is a super-2 number, since 2×22211304120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22211304093 and 22211304102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211304121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396310 + ... + 448869.

Almost surely, 2^22211304120 is an apocalyptic number.

22211304120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211304120 is an abundant number, since it is smaller than the sum of its proper divisors (50964380280).

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

22211304120 is a wasteful number, since it uses less digits than its factorization.

22211304120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845269 (or 845262 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22211304120 its reverse (2140311222), we get a palindrome (24351615342).

The spelling of 22211304120 in words is "twenty-two billion, two hundred eleven million, three hundred four thousand, one hundred twenty".