106822565 has 4 divisors (see below), whose sum is σ = 128187084. Its totient is φ = 85458048.

The previous prime is 106822531. The next prime is 106822567. The reversal of 106822565 is 565228601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 565228601 = 7 ⋅80746943.

It can be written as a sum of positive squares in 2 ways, for example, as 12208036 + 94614529 = 3494^2 + 9727^2 .

It is a cyclic number.

It is not a de Polignac number, because 106822565 - 2⁶ = 106822501 is a prime.

It is a super-2 number, since 2×106822565² = 22822120786358450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106822567) 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, 10682252 + ... + 10682261.

It is an arithmetic number, because the mean of its divisors is an integer number (32046771).

Almost surely, 2^106822565 is an apocalyptic number.

It is an amenable number.

106822565 is a deficient number, since it is larger than the sum of its proper divisors (21364519).

106822565 is an equidigital number, since it uses as much as digits as its factorization.

106822565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21364518.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 106822565 is about 10335.5002297905. The cubic root of 106822565 is about 474.4833755186.

It can be divided in two parts, 10682256 and 5, that multiplied together give a triangular number (53411280 = T₁₀₃₃₅).

The spelling of 106822565 in words is "one hundred six million, eight hundred twenty-two thousand, five hundred sixty-five".