2124224399 has 4 divisors (see below), whose sum is σ = 2317335720. Its totient is φ = 1931113080.

The previous prime is 2124224387. The next prime is 2124224407. The reversal of 2124224399 is 9934224212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2124224399 is a prime.

It is a super-4 number, since 4×2124224399⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124226399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96555644 + ... + 96555665.

It is an arithmetic number, because the mean of its divisors is an integer number (579333930).

Almost surely, 2^2124224399 is an apocalyptic number.

2124224399 is a deficient number, since it is larger than the sum of its proper divisors (193111321).

2124224399 is a wasteful number, since it uses less digits than its factorization.

2124224399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193111320.

The product of its digits is 62208, while the sum is 38.

The square root of 2124224399 is about 46089.3089447000. The cubic root of 2124224399 is about 1285.4843615053.

The spelling of 2124224399 in words is "two billion, one hundred twenty-four million, two hundred twenty-four thousand, three hundred ninety-nine".