2213525501 has 4 divisors (see below), whose sum is σ = 2414755104. Its totient is φ = 2012295900.

The previous prime is 2213525417. The next prime is 2213525557. The reversal of 2213525501 is 1055253122.

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 a de Polignac number, because none of the positive numbers 2^k-2213525501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213525591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100614785 + ... + 100614806.

It is an arithmetic number, because the mean of its divisors is an integer number (603688776).

Almost surely, 2^2213525501 is an apocalyptic number.

It is an amenable number.

2213525501 is a deficient number, since it is larger than the sum of its proper divisors (201229603).

2213525501 is a wasteful number, since it uses less digits than its factorization.

2213525501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201229602.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2213525501 is about 47048.1189953435. The cubic root of 2213525501 is about 1303.2513292262.

Adding to 2213525501 its reverse (1055253122), we get a palindrome (3268778623).

The spelling of 2213525501 in words is "two billion, two hundred thirteen million, five hundred twenty-five thousand, five hundred one".