7223651243 has 4 divisors (see below), whose sum is σ = 7223873328. Its totient is φ = 7223429160.

The previous prime is 7223651231. The next prime is 7223651273. The reversal of 7223651243 is 3421563227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3421563227 = 2939 ⋅1164193.

It is a cyclic number.

It is not a de Polignac number, because 7223651243 - 2¹⁰ = 7223650219 is a prime.

It is a super-2 number, since 2×7223651243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7223651273) 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, 51671 + ... + 130832.

It is an arithmetic number, because the mean of its divisors is an integer number (1805968332).

Almost surely, 2^7223651243 is an apocalyptic number.

7223651243 is a deficient number, since it is larger than the sum of its proper divisors (222085).

7223651243 is a wasteful number, since it uses less digits than its factorization.

7223651243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222084.

The product of its digits is 60480, while the sum is 35.

The square root of 7223651243 is about 84992.0657649877. The cubic root of 7223651243 is about 1933.0908123620.

The spelling of 7223651243 in words is "seven billion, two hundred twenty-three million, six hundred fifty-one thousand, two hundred forty-three".