2224455621 has 16 divisors (see below), whose sum is σ = 3047660544. Its totient is φ = 1442498544.

The previous prime is 2224455619. The next prime is 2224455679. The reversal of 2224455621 is 1265544222.

It is not a de Polignac number, because 2224455621 - 2¹ = 2224455619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2224455691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25411 + ... + 71376.

It is an arithmetic number, because the mean of its divisors is an integer number (190478784).

Almost surely, 2^2224455621 is an apocalyptic number.

It is an amenable number.

2224455621 is a deficient number, since it is larger than the sum of its proper divisors (823204923).

2224455621 is a wasteful number, since it uses less digits than its factorization.

2224455621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97000.

The product of its digits is 38400, while the sum is 33.

The square root of 2224455621 is about 47164.1349014270. The cubic root of 2224455621 is about 1305.3929070443.

Adding to 2224455621 its reverse (1265544222), we get a palindrome (3489999843).

The spelling of 2224455621 in words is "two billion, two hundred twenty-four million, four hundred fifty-five thousand, six hundred twenty-one".