22211011240 has 64 divisors (see below), whose sum is σ = 54626866560. Its totient is φ = 8060593920.

The previous prime is 22211011217. The next prime is 22211011253. The reversal of 22211011240 is 4211011222.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171142 + ... + 271498.

It is an arithmetic number, because the mean of its divisors is an integer number (853544790).

Almost surely, 2^22211011240 is an apocalyptic number.

22211011240 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 22211011240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27313433280).

22211011240 is an abundant number, since it is smaller than the sum of its proper divisors (32415855320).

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

22211011240 is a wasteful number, since it uses less digits than its factorization.

22211011240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100882 (or 100878 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22211011240 its reverse (4211011222), we get a palindrome (26422022462).

The spelling of 22211011240 in words is "twenty-two billion, two hundred eleven million, eleven thousand, two hundred forty".