2214455521 has 4 divisors (see below), whose sum is σ = 2241135792. Its totient is φ = 2187775252.

The previous prime is 2214455471. The next prime is 2214455531. The reversal of 2214455521 is 1255544122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2214455521 - 2⁷ = 2214455393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2214455531) 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, 13340011 + ... + 13340176.

It is an arithmetic number, because the mean of its divisors is an integer number (560283948).

Almost surely, 2^2214455521 is an apocalyptic number.

It is an amenable number.

2214455521 is a deficient number, since it is larger than the sum of its proper divisors (26680271).

2214455521 is an equidigital number, since it uses as much as digits as its factorization.

2214455521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26680270.

The product of its digits is 16000, while the sum is 31.

The square root of 2214455521 is about 47058.0016681542. The cubic root of 2214455521 is about 1303.4338254434.

Adding to 2214455521 its reverse (1255544122), we get a palindrome (3469999643).

The spelling of 2214455521 in words is "two billion, two hundred fourteen million, four hundred fifty-five thousand, five hundred twenty-one".