2224161312 has 24 divisors (see below), whose sum is σ = 5838423696. Its totient is φ = 741387072.

The previous prime is 2224161311. The next prime is 2224161319. The reversal of 2224161312 is 2131614222.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2224161312² = 9893787083595122688, which contains 22 as substring.

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 not an unprimeable number, because it can be changed into a prime (2224161311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11584078 + ... + 11584269.

It is an arithmetic number, because the mean of its divisors is an integer number (243267654).

Almost surely, 2^2224161312 is an apocalyptic number.

It is an amenable number.

2224161312 is an abundant number, since it is smaller than the sum of its proper divisors (3614262384).

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

2224161312 is a wasteful number, since it uses less digits than its factorization.

2224161312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23168360 (or 23168352 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 2224161312 is about 47161.0147473525. The cubic root of 2224161312 is about 1305.3353340330.

Adding to 2224161312 its reverse (2131614222), we get a palindrome (4355775534).

The spelling of 2224161312 in words is "two billion, two hundred twenty-four million, one hundred sixty-one thousand, three hundred twelve".