10722287945 has 4 divisors (see below), whose sum is σ = 12866745540. Its totient is φ = 8577830352.

The previous prime is 10722287929. The next prime is 10722287951. The reversal of 10722287945 is 54978222701.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7161898384 + 3560389561 = 84628^2 + 59669^2 .

It is a cyclic number.

It is not a de Polignac number, because 10722287945 - 2⁴ = 10722287929 is a prime.

It is a super-2 number, since 2×10722287945² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10722287945.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072228790 + ... + 1072228799.

It is an arithmetic number, because the mean of its divisors is an integer number (3216686385).

Almost surely, 2^10722287945 is an apocalyptic number.

It is an amenable number.

10722287945 is a deficient number, since it is larger than the sum of its proper divisors (2144457595).

10722287945 is an equidigital number, since it uses as much as digits as its factorization.

10722287945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144457594.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 10722287945 in words is "ten billion, seven hundred twenty-two million, two hundred eighty-seven thousand, nine hundred forty-five".