2213212514455 has 4 divisors (see below), whose sum is σ = 2655855017352. Its totient is φ = 1770570011560.

The previous prime is 2213212514423. The next prime is 2213212514459. The reversal of 2213212514455 is 5544152123122.

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

It is not a de Polignac number, because 2213212514455 - 2⁵ = 2213212514423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213212514459) 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, 221321251441 + ... + 221321251450.

It is an arithmetic number, because the mean of its divisors is an integer number (663963754338).

Almost surely, 2^{2213212514455} is an apocalyptic number.

2213212514455 is a deficient number, since it is larger than the sum of its proper divisors (442642502897).

2213212514455 is an equidigital number, since it uses as much as digits as its factorization.

2213212514455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442642502896.

The product of its digits is 96000, while the sum is 37.

Adding to 2213212514455 its reverse (5544152123122), we get a palindrome (7757364637577).

The spelling of 2213212514455 in words is "two trillion, two hundred thirteen billion, two hundred twelve million, five hundred fourteen thousand, four hundred fifty-five".