2124222245 has 16 divisors (see below), whose sum is σ = 2600916480. Its totient is φ = 1664904384.

The previous prime is 2124222241. The next prime is 2124222263. The reversal of 2124222245 is 5422224212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2124222245 - 2² = 2124222241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124222241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190412 + ... + 201258.

It is an arithmetic number, because the mean of its divisors is an integer number (162557280).

Almost surely, 2^2124222245 is an apocalyptic number.

It is an amenable number.

2124222245 is a deficient number, since it is larger than the sum of its proper divisors (476694235).

2124222245 is a wasteful number, since it uses less digits than its factorization.

2124222245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11644.

The product of its digits is 5120, while the sum is 26.

The square root of 2124222245 is about 46089.2855770189. The cubic root of 2124222245 is about 1285.4839270041.

Adding to 2124222245 its reverse (5422224212), we get a palindrome (7546446457).

The spelling of 2124222245 in words is "two billion, one hundred twenty-four million, two hundred twenty-two thousand, two hundred forty-five".