22011001140 has 24 divisors (see below), whose sum is σ = 61630803360. Its totient is φ = 5869600288.

The previous prime is 22011001097. The next prime is 22011001147. The reversal of 22011001140 is 4110011022.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011001147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183424950 + ... + 183425069.

It is an arithmetic number, because the mean of its divisors is an integer number (2567950140).

Almost surely, 2^22011001140 is an apocalyptic number.

22011001140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011001140 is an abundant number, since it is smaller than the sum of its proper divisors (39619802220).

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

22011001140 is a wasteful number, since it uses less digits than its factorization.

22011001140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366850031 (or 366850029 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22011001140 its reverse (4110011022), we get a palindrome (26121012162).

The spelling of 22011001140 in words is "twenty-two billion, eleven million, one thousand, one hundred forty".