2214212501 has 4 divisors (see below), whose sum is σ = 2237039532. Its totient is φ = 2191385472.

The previous prime is 2214212477. The next prime is 2214212521. The reversal of 2214212501 is 1052124122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1419028900 + 795183601 = 37670^2 + 28199^2 .

It is a cyclic number.

It is not a de Polignac number, because 2214212501 - 2¹⁰ = 2214211477 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 (2214212521) 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 3 ways as a sum of consecutive naturals, for example, 11413370 + ... + 11413563.

It is an arithmetic number, because the mean of its divisors is an integer number (559259883).

Almost surely, 2^2214212501 is an apocalyptic number.

It is an amenable number.

2214212501 is a deficient number, since it is larger than the sum of its proper divisors (22827031).

2214212501 is an equidigital number, since it uses as much as digits as its factorization.

2214212501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22827030.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2214212501 is about 47055.4194647120. The cubic root of 2214212501 is about 1303.3861429810.

Adding to 2214212501 its reverse (1052124122), we get a palindrome (3266336623).

It can be divided in two parts, 22142 and 12501, that added together give a palindrome (34643).

The spelling of 2214212501 in words is "two billion, two hundred fourteen million, two hundred twelve thousand, five hundred one".