22211463530240 has 72 divisors (see below), whose sum is σ = 53274241946688. Its totient is φ = 8872754688000.

The previous prime is 22211463530237. The next prime is 22211463530359. The reversal of 22211463530240 is 4203536411222.

It is a happy number.

It is a super-2 number, since 2×22211463530240² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22211463530240.

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, 10591787 + ... + 12514346.

Almost surely, 2^{22211463530240} is an apocalyptic number.

22211463530240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211463530240 is an abundant number, since it is smaller than the sum of its proper divisors (31062778416448).

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

22211463530240 is an equidigital number, since it uses as much as digits as its factorization.

22211463530240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23106905 (or 23106891 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 22211463530240 its reverse (4203536411222), we get a palindrome (26414999941462).

The spelling of 22211463530240 in words is "twenty-two trillion, two hundred eleven billion, four hundred sixty-three million, five hundred thirty thousand, two hundred forty".