22211333340 has 192 divisors, whose sum is σ = 75509812224. Its totient is φ = 4762202112.

The previous prime is 22211333303. The next prime is 22211333341. The reversal of 22211333340 is 4333311222.

It is a self number, because there is not a number n which added to its sum of digits gives 22211333340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211333341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2186914 + ... + 2197046.

It is an arithmetic number, because the mean of its divisors is an integer number (393280272).

Almost surely, 2^22211333340 is an apocalyptic number.

22211333340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22211333340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37754906112).

22211333340 is an abundant number, since it is smaller than the sum of its proper divisors (53298478884).

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

22211333340 is a wasteful number, since it uses less digits than its factorization.

22211333340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10476 (or 10474 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 22211333340 its reverse (4333311222), we get a palindrome (26544644562).

The spelling of 22211333340 in words is "twenty-two billion, two hundred eleven million, three hundred thirty-three thousand, three hundred forty".