10722228947 has 4 divisors (see below), whose sum is σ = 10752096240. Its totient is φ = 10692361656.

The previous prime is 10722228917. The next prime is 10722228949. The reversal of 10722228947 is 74982222701.

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

It is a cyclic number.

It is not a de Polignac number, because 10722228947 - 2⁶ = 10722228883 is a prime.

It is a super-2 number, since 2×10722228947² (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 = 10722228898 and 10722228907.

It is not an unprimeable number, because it can be changed into a prime (10722228949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14933108 + ... + 14933825.

It is an arithmetic number, because the mean of its divisors is an integer number (2688024060).

Almost surely, 2^10722228947 is an apocalyptic number.

10722228947 is a deficient number, since it is larger than the sum of its proper divisors (29867293).

10722228947 is an equidigital number, since it uses as much as digits as its factorization.

10722228947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29867292.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 10722228947 in words is "ten billion, seven hundred twenty-two million, two hundred twenty-eight thousand, nine hundred forty-seven".