2212340651 has 4 divisors (see below), whose sum is σ = 2212614600. Its totient is φ = 2212066704.

The previous prime is 2212340623. The next prime is 2212340693. The reversal of 2212340651 is 1560432122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1560432122 = 2 ⋅780216061.

It is a cyclic number.

It is not a de Polignac number, because 2212340651 - 2²⁶ = 2145231787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212340651.

It is not an unprimeable number, because it can be changed into a prime (2212340621) 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, 124481 + ... + 141138.

It is an arithmetic number, because the mean of its divisors is an integer number (553153650).

Almost surely, 2^2212340651 is an apocalyptic number.

2212340651 is a deficient number, since it is larger than the sum of its proper divisors (273949).

2212340651 is an equidigital number, since it uses as much as digits as its factorization.

2212340651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273948.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2212340651 is about 47035.5254143079. The cubic root of 2212340651 is about 1303.0187540972.

Adding to 2212340651 its reverse (1560432122), we get a palindrome (3772772773).

The spelling of 2212340651 in words is "two billion, two hundred twelve million, three hundred forty thousand, six hundred fifty-one".