2211240000 has 140 divisors (see below), whose sum is σ = 7311272144. Its totient is φ = 589632000.

The previous prime is 2211239981. The next prime is 2211240001. The reversal of 2211240000 is 421122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2211240001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 110787 + ... + 129213.

Almost surely, 2^2211240000 is an apocalyptic number.

2211240000 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 2211240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3655636072).

2211240000 is an abundant number, since it is smaller than the sum of its proper divisors (5100032144).

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

2211240000 is an equidigital number, since it uses as much as digits as its factorization.

2211240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18462 (or 18437 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2211240000 is about 47023.8237492444. The cubic root of 2211240000 is about 1302.8026320464.

Adding to 2211240000 its reverse (421122), we get a palindrome (2211661122).

The spelling of 2211240000 in words is "two billion, two hundred eleven million, two hundred forty thousand".