7222287143 has 4 divisors (see below), whose sum is σ = 7224041280. Its totient is φ = 7220533008.

The previous prime is 7222287131. The next prime is 7222287169. The reversal of 7222287143 is 3417822227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3417822227 = 631 ⋅5416517.

It is a cyclic number.

It is not a de Polignac number, because 7222287143 - 2¹⁶ = 7222221607 is a prime.

It is a super-2 number, since 2×7222287143² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7222287097 and 7222287106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222287643) 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, 870878 + ... + 879131.

It is an arithmetic number, because the mean of its divisors is an integer number (1806010320).

Almost surely, 2^7222287143 is an apocalyptic number.

7222287143 is a deficient number, since it is larger than the sum of its proper divisors (1754137).

7222287143 is a wasteful number, since it uses less digits than its factorization.

7222287143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754136.

The product of its digits is 75264, while the sum is 38.

The square root of 7222287143 is about 84984.0405193822. The cubic root of 7222287143 is about 1932.9691243546.

The spelling of 7222287143 in words is "seven billion, two hundred twenty-two million, two hundred eighty-seven thousand, one hundred forty-three".