2231401122 has 80 divisors (see below), whose sum is σ = 5120565120. Its totient is φ = 726047712.

The previous prime is 2231401121. The next prime is 2231401127. The reversal of 2231401122 is 2211041322.

It is a happy number.

It is a super-3 number, since 3×2231401122³ (a number of 29 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2231401095 and 2231401104.

It is not an unprimeable number, because it can be changed into a prime (2231401121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1499863 + ... + 1501349.

It is an arithmetic number, because the mean of its divisors is an integer number (64007064).

Almost surely, 2^2231401122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231401122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2560282560).

2231401122 is an abundant number, since it is smaller than the sum of its proper divisors (2889163998).

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

2231401122 is a wasteful number, since it uses less digits than its factorization.

2231401122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717 (or 1708 counting only the distinct ones).

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

The square root of 2231401122 is about 47237.7086870225. The cubic root of 2231401122 is about 1306.7501211651.

Adding to 2231401122 its reverse (2211041322), we get a palindrome (4442442444).

The spelling of 2231401122 in words is "two billion, two hundred thirty-one million, four hundred one thousand, one hundred twenty-two".