22071606 has 8 divisors (see below), whose sum is σ = 44143224. Its totient is φ = 7357200.

The previous prime is 22071601. The next prime is 22071607. The reversal of 22071606 is 60617022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

22071606 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22071601) by changing a digit.

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, 1839295 + ... + 1839306.

It is an arithmetic number, because the mean of its divisors is an integer number (5517903).

Almost surely, 2^22071606 is an apocalyptic number.

22071606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22071606 is a wasteful number, since it uses less digits than its factorization.

22071606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678606.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 22071606 is about 4698.0427839687. The cubic root of 22071606 is about 280.5076081197.

Adding to 22071606 its reverse (60617022), we get a palindrome (82688628).

The spelling of 22071606 in words is "twenty-two million, seventy-one thousand, six hundred six".