106422665 has 4 divisors (see below), whose sum is σ = 127707204. Its totient is φ = 85138128.

The previous prime is 106422661. The next prime is 106422689. The reversal of 106422665 is 566224601.

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 38837824 + 67584841 = 6232^2 + 8221^2 .

It is a cyclic number.

It is not a de Polignac number, because 106422665 - 2² = 106422661 is a prime.

It is a super-2 number, since 2×106422665² = 22651567251404450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106422661) 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, 10642262 + ... + 10642271.

It is an arithmetic number, because the mean of its divisors is an integer number (31926801).

Almost surely, 2^106422665 is an apocalyptic number.

It is an amenable number.

106422665 is a deficient number, since it is larger than the sum of its proper divisors (21284539).

106422665 is an equidigital number, since it uses as much as digits as its factorization.

106422665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21284538.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 106422665 is about 10316.1361468333. The cubic root of 106422665 is about 473.8905445546.

The spelling of 106422665 in words is "one hundred six million, four hundred twenty-two thousand, six hundred sixty-five".