22136706 has 32 divisors (see below), whose sum is σ = 49370880. Its totient is φ = 7352208.

The previous prime is 22136687. The next prime is 22136731. The reversal of 22136706 is 60763122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 22136706.

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 15 ways as a sum of consecutive naturals, for example, 19260 + ... + 20376.

It is an arithmetic number, because the mean of its divisors is an integer number (1542840).

Almost surely, 2^22136706 is an apocalyptic number.

22136706 is an abundant number, since it is smaller than the sum of its proper divisors (27234174).

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

22136706 is a wasteful number, since it uses less digits than its factorization.

22136706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495 (or 1489 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 22136706 is about 4704.9660997716. The cubic root of 22136706 is about 280.7831222963.

Adding to 22136706 its reverse (60763122), we get a palindrome (82899828).

The spelling of 22136706 in words is "twenty-two million, one hundred thirty-six thousand, seven hundred six".