22661834 has 16 divisors (see below), whose sum is σ = 37598568. Its totient is φ = 10176192.

The previous prime is 22661827. The next prime is 22661839. The reversal of 22661834 is 43816622.

It can be written as a sum of positive squares in 4 ways, for example, as 12581209 + 10080625 = 3547^2 + 3175^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22661834.

It is not an unprimeable number, because it can be changed into a prime (22661839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10817 + ... + 12740.

Almost surely, 2^22661834 is an apocalyptic number.

22661834 is a deficient number, since it is larger than the sum of its proper divisors (14936734).

22661834 is a wasteful number, since it uses less digits than its factorization.

22661834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23609.

The product of its digits is 13824, while the sum is 32.

The square root of 22661834 is about 4760.4447271237. Note that the first 3 decimals coincide. The cubic root of 22661834 is about 282.9860440037.

The spelling of 22661834 in words is "twenty-two million, six hundred sixty-one thousand, eight hundred thirty-four".