2212233144 has 128 divisors (see below), whose sum is σ = 6183475200. Its totient is φ = 653852160.

The previous prime is 2212233131. The next prime is 2212233181. The reversal of 2212233144 is 4413322122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3119862 + ... + 3120570.

It is an arithmetic number, because the mean of its divisors is an integer number (48308400).

Almost surely, 2^2212233144 is an apocalyptic number.

2212233144 is a gapful number since it is divisible by the number (24) 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 2212233144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3091737600).

2212233144 is an abundant number, since it is smaller than the sum of its proper divisors (3971242056).

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

2212233144 is a wasteful number, since it uses less digits than its factorization.

2212233144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005 (or 1001 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 2212233144 is about 47034.3825727520. The cubic root of 2212233144 is about 1302.9976473558.

Adding to 2212233144 its reverse (4413322122), we get a palindrome (6625555266).

The spelling of 2212233144 in words is "two billion, two hundred twelve million, two hundred thirty-three thousand, one hundred forty-four".