2223144424 has 8 divisors (see below), whose sum is σ = 4168395810. Its totient is φ = 1111572208.

The previous prime is 2223144397. The next prime is 2223144433. The reversal of 2223144424 is 4244413222.

It can be written as a sum of positive squares in only one way, i.e., 2160576324 + 62568100 = 46482^2 + 7910^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2223144424² = 9884742259924583552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2223144392 and 2223144401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138946519 + ... + 138946534.

Almost surely, 2^2223144424 is an apocalyptic number.

It is an amenable number.

2223144424 is a deficient number, since it is larger than the sum of its proper divisors (1945251386).

2223144424 is a wasteful number, since it uses less digits than its factorization.

2223144424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277893059 (or 277893055 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 2223144424 is about 47150.2324914735. The cubic root of 2223144424 is about 1305.1363703196.

Adding to 2223144424 its reverse (4244413222), we get a palindrome (6467557646).

The spelling of 2223144424 in words is "two billion, two hundred twenty-three million, one hundred forty-four thousand, four hundred twenty-four".