22106642 has 16 divisors (see below), whose sum is σ = 34617240. Its totient is φ = 10574592.

The previous prime is 22106639. The next prime is 22106653. The reversal of 22106642 is 24660122.

It can be written as a sum of positive squares in 4 ways, for example, as 19280881 + 2825761 = 4391^2 + 1681^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4868 + ... + 8240.

Almost surely, 2^22106642 is an apocalyptic number.

22106642 is a deficient number, since it is larger than the sum of its proper divisors (12510598).

22106642 is a wasteful number, since it uses less digits than its factorization.

22106642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22106642 is about 4701.7700922100. The cubic root of 22106642 is about 280.6559535997.

Adding to 22106642 its reverse (24660122), we get a palindrome (46766764).

The spelling of 22106642 in words is "twenty-two million, one hundred six thousand, six hundred forty-two".