7218224341 has 4 divisors (see below), whose sum is σ = 7226589312. Its totient is φ = 7209859372.

The previous prime is 7218224333. The next prime is 7218224383. The reversal of 7218224341 is 1434228127.

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 an emirpimes, since its reverse is a distinct semiprime: 1434228127 = 157 ⋅9135211.

It is a cyclic number.

It is not a de Polignac number, because 7218224341 - 2³ = 7218224333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7218224297 and 7218224306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7218224141) 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, 4181191 + ... + 4182916.

It is an arithmetic number, because the mean of its divisors is an integer number (1806647328).

Almost surely, 2^7218224341 is an apocalyptic number.

It is an amenable number.

7218224341 is a deficient number, since it is larger than the sum of its proper divisors (8364971).

7218224341 is an equidigital number, since it uses as much as digits as its factorization.

7218224341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8364970.

The product of its digits is 21504, while the sum is 34.

The square root of 7218224341 is about 84960.1338334633. The cubic root of 7218224341 is about 1932.6066009732.

The spelling of 7218224341 in words is "seven billion, two hundred eighteen million, two hundred twenty-four thousand, three hundred forty-one".