22609342 has 16 divisors (see below), whose sum is σ = 39160800. Its totient is φ = 9589248.

The previous prime is 22609339. The next prime is 22609343. The reversal of 22609342 is 24390622.

It is a super-2 number, since 2×22609342² = 1022364691345928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22609342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22609343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6967 + ... + 9682.

It is an arithmetic number, because the mean of its divisors is an integer number (2447550).

Almost surely, 2^22609342 is an apocalyptic number.

22609342 is a deficient number, since it is larger than the sum of its proper divisors (16551458).

22609342 is a wasteful number, since it uses less digits than its factorization.

22609342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16755.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 22609342 is about 4754.9281803199. The cubic root of 22609342 is about 282.7673799207.

Adding to 22609342 its reverse (24390622), we get a palindrome (46999964).

It can be divided in two parts, 22609 and 342, that multiplied together give a triangular number (7732278 = T₃₉₃₂).

The spelling of 22609342 in words is "twenty-two million, six hundred nine thousand, three hundred forty-two".