2213522887297 has 4 divisors (see below), whose sum is σ = 2213525925936. Its totient is φ = 2213519848660.

The previous prime is 2213522887249. The next prime is 2213522887327. The reversal of 2213522887297 is 7927882253122.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2213522887297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213522887207) 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, 297798 + ... + 2125024.

It is an arithmetic number, because the mean of its divisors is an integer number (553381481484).

Almost surely, 2^{2213522887297} is an apocalyptic number.

It is an amenable number.

2213522887297 is a deficient number, since it is larger than the sum of its proper divisors (3038639).

2213522887297 is a wasteful number, since it uses less digits than its factorization.

2213522887297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038638.

The product of its digits is 13547520, while the sum is 58.

The spelling of 2213522887297 in words is "two trillion, two hundred thirteen billion, five hundred twenty-two million, eight hundred eighty-seven thousand, two hundred ninety-seven".