2224120445 has 4 divisors (see below), whose sum is σ = 2668944540. Its totient is φ = 1779296352.

The previous prime is 2224120429. The next prime is 2224120471. The reversal of 2224120445 is 5440214222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1066283716 + 1157836729 = 32654^2 + 34027^2 .

It is a cyclic number.

It is not a de Polignac number, because 2224120445 - 2⁴ = 2224120429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222412040 + ... + 222412049.

It is an arithmetic number, because the mean of its divisors is an integer number (667236135).

Almost surely, 2^2224120445 is an apocalyptic number.

It is an amenable number.

2224120445 is a deficient number, since it is larger than the sum of its proper divisors (444824095).

2224120445 is an equidigital number, since it uses as much as digits as its factorization.

2224120445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444824094.

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

The square root of 2224120445 is about 47160.5814743627. The cubic root of 2224120445 is about 1305.3273391894.

Adding to 2224120445 its reverse (5440214222), we get a palindrome (7664334667).

The spelling of 2224120445 in words is "two billion, two hundred twenty-four million, one hundred twenty thousand, four hundred forty-five".