22160146 has 8 divisors (see below), whose sum is σ = 35195580. Its totient is φ = 10428288.

The previous prime is 22160123. The next prime is 22160153. The reversal of 22160146 is 64106122.

It can be written as a sum of positive squares in 2 ways, for example, as 20025625 + 2134521 = 4475^2 + 1461^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325851 + ... + 325918.

Almost surely, 2^22160146 is an apocalyptic number.

22160146 is a deficient number, since it is larger than the sum of its proper divisors (13035434).

22160146 is a wasteful number, since it uses less digits than its factorization.

22160146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651788.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22160146 is about 4707.4564257144. The cubic root of 22160146 is about 280.8821920606.

Adding to 22160146 its reverse (64106122), we get a palindrome (86266268).

The spelling of 22160146 in words is "twenty-two million, one hundred sixty thousand, one hundred forty-six".