10722385 has 4 divisors (see below), whose sum is σ = 12866868. Its totient is φ = 8577904.

The previous prime is 10722353. The next prime is 10722401. The reversal of 10722385 is 58322701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58322701 = 4373 ⋅13337.

It can be written as a sum of positive squares in 2 ways, for example, as 2289169 + 8433216 = 1513^2 + 2904^2 .

It is a cyclic number.

It is not a de Polignac number, because 10722385 - 2⁵ = 10722353 is a prime.

It is a super-2 number, since 2×10722385² = 229939080176450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072234 + ... + 1072243.

It is an arithmetic number, because the mean of its divisors is an integer number (3216717).

Almost surely, 2^10722385 is an apocalyptic number.

It is an amenable number.

10722385 is a deficient number, since it is larger than the sum of its proper divisors (2144483).

10722385 is an equidigital number, since it uses as much as digits as its factorization.

10722385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144482.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 10722385 is about 3274.5053061493. The cubic root of 10722385 is about 220.5111050671.

The spelling of 10722385 in words is "ten million, seven hundred twenty-two thousand, three hundred eighty-five".