2322111240 has 160 divisors (see below), whose sum is σ = 7865890560. Its totient is φ = 614390400.

The previous prime is 2322111223. The next prime is 2322111251. The reversal of 2322111240 is 421112232.

It is a happy number.

It is a super-2 number, since 2×2322111240² = 10784401221868675200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 421705 + ... + 427175.

It is an arithmetic number, because the mean of its divisors is an integer number (49161816).

Almost surely, 2^2322111240 is an apocalyptic number.

2322111240 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 2322111240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3932945280).

2322111240 is an abundant number, since it is smaller than the sum of its proper divisors (5543779320).

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

2322111240 is a wasteful number, since it uses less digits than its factorization.

2322111240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5625 (or 5612 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2322111240 is about 48188.2894487862. The cubic root of 2322111240 is about 1324.2226345583. Note that the first 3 decimals are identical.

Adding to 2322111240 its reverse (421112232), we get a palindrome (2743223472).

The spelling of 2322111240 in words is "two billion, three hundred twenty-two million, one hundred eleven thousand, two hundred forty".